Home / 177,539.20-266,308.80-84,227.20

Finding the Fourth Proportional to 177,539.20, 266,308.80 and 84,227.20

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Solution

The fourth proportional to 177,539.20, 266,308.80 and 84,227.20 is: 126,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,539.20 : 266,308.80 = 84,227.20 : x
  2. Step 2: Convert to fraction form
    177,539.20/266,308.80 = 84,227.20/x
  3. Step 3: Cross multiply
    177,539.20x = 266,308.80 × 84,227.20
  4. Step 4: Simplify right side
    177,539.20x = 22,430,444,559.36
  5. Step 5: Solve for x
    x = 22,430,444,559.36/177,539.20
  6. Step 6: Final answer
    x = 126,340.80

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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.