Home / 177,521.20-266,281.80-84,209.20

Finding the Fourth Proportional to 177,521.20, 266,281.80 and 84,209.20

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Solution

The fourth proportional to 177,521.20, 266,281.80 and 84,209.20 is: 126,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,521.20 : 266,281.80 = 84,209.20 : x
  2. Step 2: Convert to fraction form
    177,521.20/266,281.80 = 84,209.20/x
  3. Step 3: Cross multiply
    177,521.20x = 266,281.80 × 84,209.20
  4. Step 4: Simplify right side
    177,521.20x = 22,423,377,352.56
  5. Step 5: Solve for x
    x = 22,423,377,352.56/177,521.20
  6. Step 6: Final answer
    x = 126,313.80

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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.