Home / 185,881.30-278,514.15-106,857.70

Finding the Fourth Proportional to 185,881.30, 278,514.15 and 106,857.70

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Solution

The fourth proportional to 185,881.30, 278,514.15 and 106,857.70 is: 160,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,881.30 : 278,514.15 = 106,857.70 : x
  2. Step 2: Convert to fraction form
    185,881.30/278,514.15 = 106,857.70/x
  3. Step 3: Cross multiply
    185,881.30x = 278,514.15 × 106,857.70
  4. Step 4: Simplify right side
    185,881.30x = 29,761,381,486.46
  5. Step 5: Solve for x
    x = 29,761,381,486.46/185,881.30
  6. Step 6: Final answer
    x = 160,109.60

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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.