Home / 154,248.40-231,391.08-54,387.94

Finding the Fourth Proportional to 154,248.40, 231,391.08 and 54,387.94

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Solution

The fourth proportional to 154,248.40, 231,391.08 and 54,387.94 is: 81,588.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,248.40 : 231,391.08 = 54,387.94 : x
  2. Step 2: Convert to fraction form
    154,248.40/231,391.08 = 54,387.94/x
  3. Step 3: Cross multiply
    154,248.40x = 231,391.08 × 54,387.94
  4. Step 4: Simplify right side
    154,248.40x = 12,584,884,175.58
  5. Step 5: Solve for x
    x = 12,584,884,175.58/154,248.40
  6. Step 6: Final answer
    x = 81,588.43

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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.