Home / 181,556.20-272,010.30-87,855.40

Finding the Fourth Proportional to 181,556.20, 272,010.30 and 87,855.40

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Solution

The fourth proportional to 181,556.20, 272,010.30 and 87,855.40 is: 131,626.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,556.20 : 272,010.30 = 87,855.40 : x
  2. Step 2: Convert to fraction form
    181,556.20/272,010.30 = 87,855.40/x
  3. Step 3: Cross multiply
    181,556.20x = 272,010.30 × 87,855.40
  4. Step 4: Simplify right side
    181,556.20x = 23,897,573,710.62
  5. Step 5: Solve for x
    x = 23,897,573,710.62/181,556.20
  6. Step 6: Final answer
    x = 131,626.32

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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.