Home / 187,402.32-281,103.48-54,282.62

Finding the Fourth Proportional to 187,402.32, 281,103.48 and 54,282.62

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Solution

The fourth proportional to 187,402.32, 281,103.48 and 54,282.62 is: 81,423.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,402.32 : 281,103.48 = 54,282.62 : x
  2. Step 2: Convert to fraction form
    187,402.32/281,103.48 = 54,282.62/x
  3. Step 3: Cross multiply
    187,402.32x = 281,103.48 × 54,282.62
  4. Step 4: Simplify right side
    187,402.32x = 15,259,034,088.28
  5. Step 5: Solve for x
    x = 15,259,034,088.28/187,402.32
  6. Step 6: Final answer
    x = 81,423.93

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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.