Home / 187,394.34-281,024.28-54,247.08

Finding the Fourth Proportional to 187,394.34, 281,024.28 and 54,247.08

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Solution

The fourth proportional to 187,394.34, 281,024.28 and 54,247.08 is: 81,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,394.34 : 281,024.28 = 54,247.08 : x
  2. Step 2: Convert to fraction form
    187,394.34/281,024.28 = 54,247.08/x
  3. Step 3: Cross multiply
    187,394.34x = 281,024.28 × 54,247.08
  4. Step 4: Simplify right side
    187,394.34x = 15,244,746,599.10
  5. Step 5: Solve for x
    x = 15,244,746,599.10/187,394.34
  6. Step 6: Final answer
    x = 81,351.16

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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.