Home / 185,490.10-278,321.55-96,843.70

Finding the Fourth Proportional to 185,490.10, 278,321.55 and 96,843.70

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Solution

The fourth proportional to 185,490.10, 278,321.55 and 96,843.70 is: 145,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,490.10 : 278,321.55 = 96,843.70 : x
  2. Step 2: Convert to fraction form
    185,490.10/278,321.55 = 96,843.70/x
  3. Step 3: Cross multiply
    185,490.10x = 278,321.55 × 96,843.70
  4. Step 4: Simplify right side
    185,490.10x = 26,953,688,691.74
  5. Step 5: Solve for x
    x = 26,953,688,691.74/185,490.10
  6. Step 6: Final answer
    x = 145,310.66

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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.