Home / 181,531.80-272,556.90-102,799.80

Finding the Fourth Proportional to 181,531.80, 272,556.90 and 102,799.80

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Solution

The fourth proportional to 181,531.80, 272,556.90 and 102,799.80 is: 154,346.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,531.80 : 272,556.90 = 102,799.80 : x
  2. Step 2: Convert to fraction form
    181,531.80/272,556.90 = 102,799.80/x
  3. Step 3: Cross multiply
    181,531.80x = 272,556.90 × 102,799.80
  4. Step 4: Simplify right side
    181,531.80x = 28,018,794,808.62
  5. Step 5: Solve for x
    x = 28,018,794,808.62/181,531.80
  6. Step 6: Final answer
    x = 154,346.48

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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.