Home / 185,711.65-278,534.53-84,486.18

Finding the Fourth Proportional to 185,711.65, 278,534.53 and 84,486.18

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Solution

The fourth proportional to 185,711.65, 278,534.53 and 84,486.18 is: 126,714.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,711.65 : 278,534.53 = 84,486.18 : x
  2. Step 2: Convert to fraction form
    185,711.65/278,534.53 = 84,486.18/x
  3. Step 3: Cross multiply
    185,711.65x = 278,534.53 × 84,486.18
  4. Step 4: Simplify right side
    185,711.65x = 23,532,318,437.80
  5. Step 5: Solve for x
    x = 23,532,318,437.80/185,711.65
  6. Step 6: Final answer
    x = 126,714.28

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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.