Home / 239,785.60-359,246.40-114,851.20

Finding the Fourth Proportional to 239,785.60, 359,246.40 and 114,851.20

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Solution

The fourth proportional to 239,785.60, 359,246.40 and 114,851.20 is: 172,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,785.60 : 359,246.40 = 114,851.20 : x
  2. Step 2: Convert to fraction form
    239,785.60/359,246.40 = 114,851.20/x
  3. Step 3: Cross multiply
    239,785.60x = 359,246.40 × 114,851.20
  4. Step 4: Simplify right side
    239,785.60x = 41,259,880,135.68
  5. Step 5: Solve for x
    x = 41,259,880,135.68/239,785.60
  6. Step 6: Final answer
    x = 172,069.88

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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.