Home / 131,736.38-197,610.03-38,242.13

Finding the Fourth Proportional to 131,736.38, 197,610.03 and 38,242.13

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Solution

The fourth proportional to 131,736.38, 197,610.03 and 38,242.13 is: 57,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,736.38 : 197,610.03 = 38,242.13 : x
  2. Step 2: Convert to fraction form
    131,736.38/197,610.03 = 38,242.13/x
  3. Step 3: Cross multiply
    131,736.38x = 197,610.03 × 38,242.13
  4. Step 4: Simplify right side
    131,736.38x = 7,557,027,468.51
  5. Step 5: Solve for x
    x = 7,557,027,468.51/131,736.38
  6. Step 6: Final answer
    x = 57,364.77

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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.