Home / 239,591.16-359,419.14-81,777.24

Finding the Fourth Proportional to 239,591.16, 359,419.14 and 81,777.24

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Solution

The fourth proportional to 239,591.16, 359,419.14 and 81,777.24 is: 122,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,591.16 : 359,419.14 = 81,777.24 : x
  2. Step 2: Convert to fraction form
    239,591.16/359,419.14 = 81,777.24/x
  3. Step 3: Cross multiply
    239,591.16x = 359,419.14 × 81,777.24
  4. Step 4: Simplify right side
    239,591.16x = 29,392,305,272.37
  5. Step 5: Solve for x
    x = 29,392,305,272.37/239,591.16
  6. Step 6: Final answer
    x = 122,676.92

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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.