Home / 181,638.39-272,321.85-125,317.79

Finding the Fourth Proportional to 181,638.39, 272,321.85 and 125,317.79

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Solution

The fourth proportional to 181,638.39, 272,321.85 and 125,317.79 is: 187,883.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,638.39 : 272,321.85 = 125,317.79 : x
  2. Step 2: Convert to fraction form
    181,638.39/272,321.85 = 125,317.79/x
  3. Step 3: Cross multiply
    181,638.39x = 272,321.85 × 125,317.79
  4. Step 4: Simplify right side
    181,638.39x = 34,126,772,410.71
  5. Step 5: Solve for x
    x = 34,126,772,410.71/181,638.39
  6. Step 6: Final answer
    x = 187,883.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.