Home / 131,549.48-181,540.26-74,959.64

Finding the Fourth Proportional to 131,549.48, 181,540.26 and 74,959.64

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Solution

The fourth proportional to 131,549.48, 181,540.26 and 74,959.64 is: 103,445.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,549.48 : 181,540.26 = 74,959.64 : x
  2. Step 2: Convert to fraction form
    131,549.48/181,540.26 = 74,959.64/x
  3. Step 3: Cross multiply
    131,549.48x = 181,540.26 × 74,959.64
  4. Step 4: Simplify right side
    131,549.48x = 13,608,192,535.11
  5. Step 5: Solve for x
    x = 13,608,192,535.11/131,549.48
  6. Step 6: Final answer
    x = 103,445.43

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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.