Home / 103,061.74-142,192.92-57,733.60

Finding the Fourth Proportional to 103,061.74, 142,192.92 and 57,733.60

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Solution

The fourth proportional to 103,061.74, 142,192.92 and 57,733.60 is: 79,654.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,061.74 : 142,192.92 = 57,733.60 : x
  2. Step 2: Convert to fraction form
    103,061.74/142,192.92 = 57,733.60/x
  3. Step 3: Cross multiply
    103,061.74x = 142,192.92 × 57,733.60
  4. Step 4: Simplify right side
    103,061.74x = 8,209,309,166.11
  5. Step 5: Solve for x
    x = 8,209,309,166.11/103,061.74
  6. Step 6: Final answer
    x = 79,654.28

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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.