Home / 161,023.60-241,729.80-159,857.20

Finding the Fourth Proportional to 161,023.60, 241,729.80 and 159,857.20

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Solution

The fourth proportional to 161,023.60, 241,729.80 and 159,857.20 is: 239,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,023.60 : 241,729.80 = 159,857.20 : x
  2. Step 2: Convert to fraction form
    161,023.60/241,729.80 = 159,857.20/x
  3. Step 3: Cross multiply
    161,023.60x = 241,729.80 × 159,857.20
  4. Step 4: Simplify right side
    161,023.60x = 38,642,248,984.56
  5. Step 5: Solve for x
    x = 38,642,248,984.56/161,023.60
  6. Step 6: Final answer
    x = 239,978.79

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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.