Home / 138,211.28-207,065.41-96,002.18

Finding the Fourth Proportional to 138,211.28, 207,065.41 and 96,002.18

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Solution

The fourth proportional to 138,211.28, 207,065.41 and 96,002.18 is: 143,828.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,211.28 : 207,065.41 = 96,002.18 : x
  2. Step 2: Convert to fraction form
    138,211.28/207,065.41 = 96,002.18/x
  3. Step 3: Cross multiply
    138,211.28x = 207,065.41 × 96,002.18
  4. Step 4: Simplify right side
    138,211.28x = 19,878,730,762.59
  5. Step 5: Solve for x
    x = 19,878,730,762.59/138,211.28
  6. Step 6: Final answer
    x = 143,828.57

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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.