Home / 113,102.72-169,536-38,197.04

Finding the Fourth Proportional to 113,102.72, 169,536 and 38,197.04

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Solution

The fourth proportional to 113,102.72, 169,536 and 38,197.04 is: 57,255.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,102.72 : 169,536 = 38,197.04 : x
  2. Step 2: Convert to fraction form
    113,102.72/169,536 = 38,197.04/x
  3. Step 3: Cross multiply
    113,102.72x = 169,536 × 38,197.04
  4. Step 4: Simplify right side
    113,102.72x = 6,475,773,373.44
  5. Step 5: Solve for x
    x = 6,475,773,373.44/113,102.72
  6. Step 6: Final answer
    x = 57,255.68

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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.