Home / 239,641.24-359,504.16-81,832.72

Finding the Fourth Proportional to 239,641.24, 359,504.16 and 81,832.72

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Solution

The fourth proportional to 239,641.24, 359,504.16 and 81,832.72 is: 122,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,641.24 : 359,504.16 = 81,832.72 : x
  2. Step 2: Convert to fraction form
    239,641.24/359,504.16 = 81,832.72/x
  3. Step 3: Cross multiply
    239,641.24x = 359,504.16 × 81,832.72
  4. Step 4: Simplify right side
    239,641.24x = 29,419,203,264.12
  5. Step 5: Solve for x
    x = 29,419,203,264.12/239,641.24
  6. Step 6: Final answer
    x = 122,763.52

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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.