Home / 157,710.31-236,564.25-39,380.86

Finding the Fourth Proportional to 157,710.31, 236,564.25 and 39,380.86

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Solution

The fourth proportional to 157,710.31, 236,564.25 and 39,380.86 is: 59,070.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,710.31 : 236,564.25 = 39,380.86 : x
  2. Step 2: Convert to fraction form
    157,710.31/236,564.25 = 39,380.86/x
  3. Step 3: Cross multiply
    157,710.31x = 236,564.25 × 39,380.86
  4. Step 4: Simplify right side
    157,710.31x = 9,316,103,610.26
  5. Step 5: Solve for x
    x = 9,316,103,610.26/157,710.31
  6. Step 6: Final answer
    x = 59,070.99

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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.