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Finding the Fourth Proportional to 101,407.47, 152,127.60 and 42,249.12

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Solution

The fourth proportional to 101,407.47, 152,127.60 and 42,249.12 is: 63,380.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,407.47 : 152,127.60 = 42,249.12 : x
  2. Step 2: Convert to fraction form
    101,407.47/152,127.60 = 42,249.12/x
  3. Step 3: Cross multiply
    101,407.47x = 152,127.60 × 42,249.12
  4. Step 4: Simplify right side
    101,407.47x = 6,427,257,227.71
  5. Step 5: Solve for x
    x = 6,427,257,227.71/101,407.47
  6. Step 6: Final answer
    x = 63,380.51

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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.