Home / 239,851.96-359,712.25-90,080.66

Finding the Fourth Proportional to 239,851.96, 359,712.25 and 90,080.66

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Solution

The fourth proportional to 239,851.96, 359,712.25 and 90,080.66 is: 135,096.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,851.96 : 359,712.25 = 90,080.66 : x
  2. Step 2: Convert to fraction form
    239,851.96/359,712.25 = 90,080.66/x
  3. Step 3: Cross multiply
    239,851.96x = 359,712.25 × 90,080.66
  4. Step 4: Simplify right side
    239,851.96x = 32,403,116,890.09
  5. Step 5: Solve for x
    x = 32,403,116,890.09/239,851.96
  6. Step 6: Final answer
    x = 135,096.32

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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.