Home / 102,584.97-153,562.13-87,451.35

Finding the Fourth Proportional to 102,584.97, 153,562.13 and 87,451.35

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Solution

The fourth proportional to 102,584.97, 153,562.13 and 87,451.35 is: 130,908.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,584.97 : 153,562.13 = 87,451.35 : x
  2. Step 2: Convert to fraction form
    102,584.97/153,562.13 = 87,451.35/x
  3. Step 3: Cross multiply
    102,584.97x = 153,562.13 × 87,451.35
  4. Step 4: Simplify right side
    102,584.97x = 13,429,215,577.38
  5. Step 5: Solve for x
    x = 13,429,215,577.38/102,584.97
  6. Step 6: Final answer
    x = 130,908.22

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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.