Home / 124,913.80-172,379.64-68,324.50

Finding the Fourth Proportional to 124,913.80, 172,379.64 and 68,324.50

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Solution

The fourth proportional to 124,913.80, 172,379.64 and 68,324.50 is: 94,287.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,913.80 : 172,379.64 = 68,324.50 : x
  2. Step 2: Convert to fraction form
    124,913.80/172,379.64 = 68,324.50/x
  3. Step 3: Cross multiply
    124,913.80x = 172,379.64 × 68,324.50
  4. Step 4: Simplify right side
    124,913.80x = 11,777,752,713.18
  5. Step 5: Solve for x
    x = 11,777,752,713.18/124,913.80
  6. Step 6: Final answer
    x = 94,287.04

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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.