Home / 181,860.60-273,374.10-129,631.80

Finding the Fourth Proportional to 181,860.60, 273,374.10 and 129,631.80

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Solution

The fourth proportional to 181,860.60, 273,374.10 and 129,631.80 is: 194,863.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,860.60 : 273,374.10 = 129,631.80 : x
  2. Step 2: Convert to fraction form
    181,860.60/273,374.10 = 129,631.80/x
  3. Step 3: Cross multiply
    181,860.60x = 273,374.10 × 129,631.80
  4. Step 4: Simplify right side
    181,860.60x = 35,437,976,656.38
  5. Step 5: Solve for x
    x = 35,437,976,656.38/181,860.60
  6. Step 6: Final answer
    x = 194,863.41

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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.