Home / 101,437.52-152,139-39,108.56

Finding the Fourth Proportional to 101,437.52, 152,139 and 39,108.56

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Solution

The fourth proportional to 101,437.52, 152,139 and 39,108.56 is: 58,656.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,437.52 : 152,139 = 39,108.56 : x
  2. Step 2: Convert to fraction form
    101,437.52/152,139 = 39,108.56/x
  3. Step 3: Cross multiply
    101,437.52x = 152,139 × 39,108.56
  4. Step 4: Simplify right side
    101,437.52x = 5,949,937,209.84
  5. Step 5: Solve for x
    x = 5,949,937,209.84/101,437.52
  6. Step 6: Final answer
    x = 58,656.18

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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.