Home / 78,618.59-117,946.33-22,459.50

Finding the Fourth Proportional to 78,618.59, 117,946.33 and 22,459.50

Calculator

Solution

The fourth proportional to 78,618.59, 117,946.33 and 22,459.50 is: 33,694.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,618.59 : 117,946.33 = 22,459.50 : x
  2. Step 2: Convert to fraction form
    78,618.59/117,946.33 = 22,459.50/x
  3. Step 3: Cross multiply
    78,618.59x = 117,946.33 × 22,459.50
  4. Step 4: Simplify right side
    78,618.59x = 2,649,015,486.34
  5. Step 5: Solve for x
    x = 2,649,015,486.34/78,618.59
  6. Step 6: Final answer
    x = 33,694.52

Related Problems

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.