Home / 113,124.72-169,428.66-54,002.04

Finding the Fourth Proportional to 113,124.72, 169,428.66 and 54,002.04

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Solution

The fourth proportional to 113,124.72, 169,428.66 and 54,002.04 is: 80,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,124.72 : 169,428.66 = 54,002.04 : x
  2. Step 2: Convert to fraction form
    113,124.72/169,428.66 = 54,002.04/x
  3. Step 3: Cross multiply
    113,124.72x = 169,428.66 × 54,002.04
  4. Step 4: Simplify right side
    113,124.72x = 9,149,493,274.47
  5. Step 5: Solve for x
    x = 9,149,493,274.47/113,124.72
  6. Step 6: Final answer
    x = 80,879.70

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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.