Home / 254,720.40-351,517.79-140,009.65

Finding the Fourth Proportional to 254,720.40, 351,517.79 and 140,009.65

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Solution

The fourth proportional to 254,720.40, 351,517.79 and 140,009.65 is: 193,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,720.40 : 351,517.79 = 140,009.65 : x
  2. Step 2: Convert to fraction form
    254,720.40/351,517.79 = 140,009.65/x
  3. Step 3: Cross multiply
    254,720.40x = 351,517.79 × 140,009.65
  4. Step 4: Simplify right side
    254,720.40x = 49,215,882,217.90
  5. Step 5: Solve for x
    x = 49,215,882,217.90/254,720.40
  6. Step 6: Final answer
    x = 193,215.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.