Home / 187,498.18-281,356.62-75,232.18

Finding the Fourth Proportional to 187,498.18, 281,356.62 and 75,232.18

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Solution

The fourth proportional to 187,498.18, 281,356.62 and 75,232.18 is: 112,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,498.18 : 281,356.62 = 75,232.18 : x
  2. Step 2: Convert to fraction form
    187,498.18/281,356.62 = 75,232.18/x
  3. Step 3: Cross multiply
    187,498.18x = 281,356.62 × 75,232.18
  4. Step 4: Simplify right side
    187,498.18x = 21,167,071,880.03
  5. Step 5: Solve for x
    x = 21,167,071,880.03/187,498.18
  6. Step 6: Final answer
    x = 112,892.15

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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.