Home / 187,248.20-280,872.30-168,585.80

Finding the Fourth Proportional to 187,248.20, 280,872.30 and 168,585.80

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Solution

The fourth proportional to 187,248.20, 280,872.30 and 168,585.80 is: 252,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,248.20 : 280,872.30 = 168,585.80 : x
  2. Step 2: Convert to fraction form
    187,248.20/280,872.30 = 168,585.80/x
  3. Step 3: Cross multiply
    187,248.20x = 280,872.30 × 168,585.80
  4. Step 4: Simplify right side
    187,248.20x = 47,351,081,393.34
  5. Step 5: Solve for x
    x = 47,351,081,393.34/187,248.20
  6. Step 6: Final answer
    x = 252,878.70

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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.