Home / 131,758.34-181,825.22-71,327.42

Finding the Fourth Proportional to 131,758.34, 181,825.22 and 71,327.42

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Solution

The fourth proportional to 131,758.34, 181,825.22 and 71,327.42 is: 98,431.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,758.34 : 181,825.22 = 71,327.42 : x
  2. Step 2: Convert to fraction form
    131,758.34/181,825.22 = 71,327.42/x
  3. Step 3: Cross multiply
    131,758.34x = 181,825.22 × 71,327.42
  4. Step 4: Simplify right side
    131,758.34x = 12,969,122,567.77
  5. Step 5: Solve for x
    x = 12,969,122,567.77/131,758.34
  6. Step 6: Final answer
    x = 98,431.14

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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.