Home / 187,397.65-281,088.28-54,274.96

Finding the Fourth Proportional to 187,397.65, 281,088.28 and 54,274.96

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Solution

The fourth proportional to 187,397.65, 281,088.28 and 54,274.96 is: 81,410.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,397.65 : 281,088.28 = 54,274.96 : x
  2. Step 2: Convert to fraction form
    187,397.65/281,088.28 = 54,274.96/x
  3. Step 3: Cross multiply
    187,397.65x = 281,088.28 × 54,274.96
  4. Step 4: Simplify right side
    187,397.65x = 15,256,055,267.38
  5. Step 5: Solve for x
    x = 15,256,055,267.38/187,397.65
  6. Step 6: Final answer
    x = 81,410.07

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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.