Home / 154,252.80-231,397.20-49,082.40

Finding the Fourth Proportional to 154,252.80, 231,397.20 and 49,082.40

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Solution

The fourth proportional to 154,252.80, 231,397.20 and 49,082.40 is: 73,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,252.80 : 231,397.20 = 49,082.40 : x
  2. Step 2: Convert to fraction form
    154,252.80/231,397.20 = 49,082.40/x
  3. Step 3: Cross multiply
    154,252.80x = 231,397.20 × 49,082.40
  4. Step 4: Simplify right side
    154,252.80x = 11,357,529,929.28
  5. Step 5: Solve for x
    x = 11,357,529,929.28/154,252.80
  6. Step 6: Final answer
    x = 73,629.33

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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.