Home / 102,171.11-140,818.97-96,266.21

Finding the Fourth Proportional to 102,171.11, 140,818.97 and 96,266.21

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Solution

The fourth proportional to 102,171.11, 140,818.97 and 96,266.21 is: 132,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,171.11 : 140,818.97 = 96,266.21 : x
  2. Step 2: Convert to fraction form
    102,171.11/140,818.97 = 96,266.21/x
  3. Step 3: Cross multiply
    102,171.11x = 140,818.97 × 96,266.21
  4. Step 4: Simplify right side
    102,171.11x = 13,556,108,074.57
  5. Step 5: Solve for x
    x = 13,556,108,074.57/102,171.11
  6. Step 6: Final answer
    x = 132,680.45

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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.