Home / 157,531.74-217,385.14-89,539.26

Finding the Fourth Proportional to 157,531.74, 217,385.14 and 89,539.26

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Solution

The fourth proportional to 157,531.74, 217,385.14 and 89,539.26 is: 123,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,531.74 : 217,385.14 = 89,539.26 : x
  2. Step 2: Convert to fraction form
    157,531.74/217,385.14 = 89,539.26/x
  3. Step 3: Cross multiply
    157,531.74x = 217,385.14 × 89,539.26
  4. Step 4: Simplify right side
    157,531.74x = 19,464,503,803.29
  5. Step 5: Solve for x
    x = 19,464,503,803.29/157,531.74
  6. Step 6: Final answer
    x = 123,559.25

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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.