Home / 115,272.85-159,073.36-64,287.13

Finding the Fourth Proportional to 115,272.85, 159,073.36 and 64,287.13

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Solution

The fourth proportional to 115,272.85, 159,073.36 and 64,287.13 is: 88,714.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,272.85 : 159,073.36 = 64,287.13 : x
  2. Step 2: Convert to fraction form
    115,272.85/159,073.36 = 64,287.13/x
  3. Step 3: Cross multiply
    115,272.85x = 159,073.36 × 64,287.13
  4. Step 4: Simplify right side
    115,272.85x = 10,226,369,773.86
  5. Step 5: Solve for x
    x = 10,226,369,773.86/115,272.85
  6. Step 6: Final answer
    x = 88,714.47

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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.