Home / 93,839.22-129,556.94-72,288.38

Finding the Fourth Proportional to 93,839.22, 129,556.94 and 72,288.38

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Solution

The fourth proportional to 93,839.22, 129,556.94 and 72,288.38 is: 99,803.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,839.22 : 129,556.94 = 72,288.38 : x
  2. Step 2: Convert to fraction form
    93,839.22/129,556.94 = 72,288.38/x
  3. Step 3: Cross multiply
    93,839.22x = 129,556.94 × 72,288.38
  4. Step 4: Simplify right side
    93,839.22x = 9,365,461,380.73
  5. Step 5: Solve for x
    x = 9,365,461,380.73/93,839.22
  6. Step 6: Final answer
    x = 99,803.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.