Home / 124,975.76-172,465.61-68,387.13

Finding the Fourth Proportional to 124,975.76, 172,465.61 and 68,387.13

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Solution

The fourth proportional to 124,975.76, 172,465.61 and 68,387.13 is: 94,373.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,975.76 : 172,465.61 = 68,387.13 : x
  2. Step 2: Convert to fraction form
    124,975.76/172,465.61 = 68,387.13/x
  3. Step 3: Cross multiply
    124,975.76x = 172,465.61 × 68,387.13
  4. Step 4: Simplify right side
    124,975.76x = 11,794,427,749.66
  5. Step 5: Solve for x
    x = 11,794,427,749.66/124,975.76
  6. Step 6: Final answer
    x = 94,373.73

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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.