Home / 131,743.59-181,758.92-75,122.16

Finding the Fourth Proportional to 131,743.59, 181,758.92 and 75,122.16

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Solution

The fourth proportional to 131,743.59, 181,758.92 and 75,122.16 is: 103,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,743.59 : 181,758.92 = 75,122.16 : x
  2. Step 2: Convert to fraction form
    131,743.59/181,758.92 = 75,122.16/x
  3. Step 3: Cross multiply
    131,743.59x = 181,758.92 × 75,122.16
  4. Step 4: Simplify right side
    131,743.59x = 13,654,122,294.06
  5. Step 5: Solve for x
    x = 13,654,122,294.06/131,743.59
  6. Step 6: Final answer
    x = 103,641.64

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1.5x scale

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.