Home / 239,961.22-359,985.57-120,080.86

Finding the Fourth Proportional to 239,961.22, 359,985.57 and 120,080.86

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Solution

The fourth proportional to 239,961.22, 359,985.57 and 120,080.86 is: 180,143.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,961.22 : 359,985.57 = 120,080.86 : x
  2. Step 2: Convert to fraction form
    239,961.22/359,985.57 = 120,080.86/x
  3. Step 3: Cross multiply
    239,961.22x = 359,985.57 × 120,080.86
  4. Step 4: Simplify right side
    239,961.22x = 43,227,376,833.19
  5. Step 5: Solve for x
    x = 43,227,376,833.19/239,961.22
  6. Step 6: Final answer
    x = 180,143.18

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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.