Home / 181,555.20-272,008.80-87,854.40

Finding the Fourth Proportional to 181,555.20, 272,008.80 and 87,854.40

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Solution

The fourth proportional to 181,555.20, 272,008.80 and 87,854.40 is: 131,624.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,555.20 : 272,008.80 = 87,854.40 : x
  2. Step 2: Convert to fraction form
    181,555.20/272,008.80 = 87,854.40/x
  3. Step 3: Cross multiply
    181,555.20x = 272,008.80 × 87,854.40
  4. Step 4: Simplify right side
    181,555.20x = 23,897,169,918.72
  5. Step 5: Solve for x
    x = 23,897,169,918.72/181,555.20
  6. Step 6: Final answer
    x = 131,624.82

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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.