Home / 124,909.09-172,375.91-68,319.25

Finding the Fourth Proportional to 124,909.09, 172,375.91 and 68,319.25

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Solution

The fourth proportional to 124,909.09, 172,375.91 and 68,319.25 is: 94,281.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,909.09 : 172,375.91 = 68,319.25 : x
  2. Step 2: Convert to fraction form
    124,909.09/172,375.91 = 68,319.25/x
  3. Step 3: Cross multiply
    124,909.09x = 172,375.91 × 68,319.25
  4. Step 4: Simplify right side
    124,909.09x = 11,776,592,889.27
  5. Step 5: Solve for x
    x = 11,776,592,889.27/124,909.09
  6. Step 6: Final answer
    x = 94,281.31

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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.