Home / 131,576.60-181,577.62-74,218.65

Finding the Fourth Proportional to 131,576.60, 181,577.62 and 74,218.65

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Solution

The fourth proportional to 131,576.60, 181,577.62 and 74,218.65 is: 102,422.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,576.60 : 181,577.62 = 74,218.65 : x
  2. Step 2: Convert to fraction form
    131,576.60/181,577.62 = 74,218.65/x
  3. Step 3: Cross multiply
    131,576.60x = 181,577.62 × 74,218.65
  4. Step 4: Simplify right side
    131,576.60x = 13,476,445,826.61
  5. Step 5: Solve for x
    x = 13,476,445,826.61/131,576.60
  6. Step 6: Final answer
    x = 102,422.82

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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.