Home / 174,728.90-240,530.82-129,321.29

Finding the Fourth Proportional to 174,728.90, 240,530.82 and 129,321.29

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Solution

The fourth proportional to 174,728.90, 240,530.82 and 129,321.29 is: 178,022.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,728.90 : 240,530.82 = 129,321.29 : x
  2. Step 2: Convert to fraction form
    174,728.90/240,530.82 = 129,321.29/x
  3. Step 3: Cross multiply
    174,728.90x = 240,530.82 × 129,321.29
  4. Step 4: Simplify right side
    174,728.90x = 31,105,755,927.16
  5. Step 5: Solve for x
    x = 31,105,755,927.16/174,728.90
  6. Step 6: Final answer
    x = 178,022.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.