Home / 115,272.60-159,073.02-64,286.88

Finding the Fourth Proportional to 115,272.60, 159,073.02 and 64,286.88

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Solution

The fourth proportional to 115,272.60, 159,073.02 and 64,286.88 is: 88,714.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,272.60 : 159,073.02 = 64,286.88 : x
  2. Step 2: Convert to fraction form
    115,272.60/159,073.02 = 64,286.88/x
  3. Step 3: Cross multiply
    115,272.60x = 159,073.02 × 64,286.88
  4. Step 4: Simplify right side
    115,272.60x = 10,226,308,147.98
  5. Step 5: Solve for x
    x = 10,226,308,147.98/115,272.60
  6. Step 6: Final answer
    x = 88,714.13

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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.