Home / 168,129.79-232,049.97-107,726.47

Finding the Fourth Proportional to 168,129.79, 232,049.97 and 107,726.47

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Solution

The fourth proportional to 168,129.79, 232,049.97 and 107,726.47 is: 148,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,129.79 : 232,049.97 = 107,726.47 : x
  2. Step 2: Convert to fraction form
    168,129.79/232,049.97 = 107,726.47/x
  3. Step 3: Cross multiply
    168,129.79x = 232,049.97 × 107,726.47
  4. Step 4: Simplify right side
    168,129.79x = 24,997,924,131.71
  5. Step 5: Solve for x
    x = 24,997,924,131.71/168,129.79
  6. Step 6: Final answer
    x = 148,682.30

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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.