Home / 157,761.72-236,643.12-39,433.14

Finding the Fourth Proportional to 157,761.72, 236,643.12 and 39,433.14

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Solution

The fourth proportional to 157,761.72, 236,643.12 and 39,433.14 is: 59,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,761.72 : 236,643.12 = 39,433.14 : x
  2. Step 2: Convert to fraction form
    157,761.72/236,643.12 = 39,433.14/x
  3. Step 3: Cross multiply
    157,761.72x = 236,643.12 × 39,433.14
  4. Step 4: Simplify right side
    157,761.72x = 9,331,581,281.00
  5. Step 5: Solve for x
    x = 9,331,581,281.00/157,761.72
  6. Step 6: Final answer
    x = 59,149.84

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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.