Home / 154,472.40-231,708.60-88,117.20

Finding the Fourth Proportional to 154,472.40, 231,708.60 and 88,117.20

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Solution

The fourth proportional to 154,472.40, 231,708.60 and 88,117.20 is: 132,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,472.40 : 231,708.60 = 88,117.20 : x
  2. Step 2: Convert to fraction form
    154,472.40/231,708.60 = 88,117.20/x
  3. Step 3: Cross multiply
    154,472.40x = 231,708.60 × 88,117.20
  4. Step 4: Simplify right side
    154,472.40x = 20,417,513,047.92
  5. Step 5: Solve for x
    x = 20,417,513,047.92/154,472.40
  6. Step 6: Final answer
    x = 132,175.80

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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.