Home / 101,761.57-140,428.87-56,432.24

Finding the Fourth Proportional to 101,761.57, 140,428.87 and 56,432.24

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Solution

The fourth proportional to 101,761.57, 140,428.87 and 56,432.24 is: 77,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,761.57 : 140,428.87 = 56,432.24 : x
  2. Step 2: Convert to fraction form
    101,761.57/140,428.87 = 56,432.24/x
  3. Step 3: Cross multiply
    101,761.57x = 140,428.87 × 56,432.24
  4. Step 4: Simplify right side
    101,761.57x = 7,924,715,694.77
  5. Step 5: Solve for x
    x = 7,924,715,694.77/101,761.57
  6. Step 6: Final answer
    x = 77,875.33

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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.