Home / 115,149.60-158,634.18-109,834.92

Finding the Fourth Proportional to 115,149.60, 158,634.18 and 109,834.92

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Solution

The fourth proportional to 115,149.60, 158,634.18 and 109,834.92 is: 151,312.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,149.60 : 158,634.18 = 109,834.92 : x
  2. Step 2: Convert to fraction form
    115,149.60/158,634.18 = 109,834.92/x
  3. Step 3: Cross multiply
    115,149.60x = 158,634.18 × 109,834.92
  4. Step 4: Simplify right side
    115,149.60x = 17,423,572,469.57
  5. Step 5: Solve for x
    x = 17,423,572,469.57/115,149.60
  6. Step 6: Final answer
    x = 151,312.49

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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.