Home / 138,209.28-207,062.42-96,000.18

Finding the Fourth Proportional to 138,209.28, 207,062.42 and 96,000.18

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Solution

The fourth proportional to 138,209.28, 207,062.42 and 96,000.18 is: 143,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,209.28 : 207,062.42 = 96,000.18 : x
  2. Step 2: Convert to fraction form
    138,209.28/207,062.42 = 96,000.18/x
  3. Step 3: Cross multiply
    138,209.28x = 207,062.42 × 96,000.18
  4. Step 4: Simplify right side
    138,209.28x = 19,878,029,111.23
  5. Step 5: Solve for x
    x = 19,878,029,111.23/138,209.28
  6. Step 6: Final answer
    x = 143,825.57

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1.5x scale

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.