Home / 124,975.85-172,471.01-68,387.22

Finding the Fourth Proportional to 124,975.85, 172,471.01 and 68,387.22

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Solution

The fourth proportional to 124,975.85, 172,471.01 and 68,387.22 is: 94,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,975.85 : 172,471.01 = 68,387.22 : x
  2. Step 2: Convert to fraction form
    124,975.85/172,471.01 = 68,387.22/x
  3. Step 3: Cross multiply
    124,975.85x = 172,471.01 × 68,387.22
  4. Step 4: Simplify right side
    124,975.85x = 11,794,812,562.56
  5. Step 5: Solve for x
    x = 11,794,812,562.56/124,975.85
  6. Step 6: Final answer
    x = 94,376.74

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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.