Home / 157,417.20-236,159.82-73,115.64

Finding the Fourth Proportional to 157,417.20, 236,159.82 and 73,115.64

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Solution

The fourth proportional to 157,417.20, 236,159.82 and 73,115.64 is: 109,689.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,417.20 : 236,159.82 = 73,115.64 : x
  2. Step 2: Convert to fraction form
    157,417.20/236,159.82 = 73,115.64/x
  3. Step 3: Cross multiply
    157,417.20x = 236,159.82 × 73,115.64
  4. Step 4: Simplify right side
    157,417.20x = 17,266,976,381.58
  5. Step 5: Solve for x
    x = 17,266,976,381.58/157,417.20
  6. Step 6: Final answer
    x = 109,689.26

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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.