Home / 124,975.76-172,466.52-68,387.12

Finding the Fourth Proportional to 124,975.76, 172,466.52 and 68,387.12

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Solution

The fourth proportional to 124,975.76, 172,466.52 and 68,387.12 is: 94,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,975.76 : 172,466.52 = 68,387.12 : x
  2. Step 2: Convert to fraction form
    124,975.76/172,466.52 = 68,387.12/x
  3. Step 3: Cross multiply
    124,975.76x = 172,466.52 × 68,387.12
  4. Step 4: Simplify right side
    124,975.76x = 11,794,488,599.22
  5. Step 5: Solve for x
    x = 11,794,488,599.22/124,975.76
  6. Step 6: Final answer
    x = 94,374.21

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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.