Home / 93,982-140,973-28,318

Finding the Fourth Proportional to 93,982, 140,973 and 28,318

Calculator

Solution

The fourth proportional to 93,982, 140,973 and 28,318 is: 42,477

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,982 : 140,973 = 28,318 : x
  2. Step 2: Convert to fraction form
    93,982/140,973 = 28,318/x
  3. Step 3: Cross multiply
    93,982x = 140,973 × 28,318
  4. Step 4: Simplify right side
    93,982x = 3,992,073,414
  5. Step 5: Solve for x
    x = 3,992,073,414/93,982
  6. Step 6: Final answer
    x = 42,477

Related Problems

Find fourth proportional to 46,991, 70,486.50 and 14,159
Half scale
Find fourth proportional to 187,964, 281,946 and 56,636
Double scale
Find fourth proportional to 93,983, 140,974.50 and 28,319
Similar ratio
Find fourth proportional to 140,973, 211,459.50 and 42,477
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.