Home / 181,531.30-272,556.15-102,799.30

Finding the Fourth Proportional to 181,531.30, 272,556.15 and 102,799.30

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Solution

The fourth proportional to 181,531.30, 272,556.15 and 102,799.30 is: 154,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,531.30 : 272,556.15 = 102,799.30 : x
  2. Step 2: Convert to fraction form
    181,531.30/272,556.15 = 102,799.30/x
  3. Step 3: Cross multiply
    181,531.30x = 272,556.15 × 102,799.30
  4. Step 4: Simplify right side
    181,531.30x = 28,018,581,430.70
  5. Step 5: Solve for x
    x = 28,018,581,430.70/181,531.30
  6. Step 6: Final answer
    x = 154,345.73

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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.