Home / 168,023.10-252,034.65-138,863.10

Finding the Fourth Proportional to 168,023.10, 252,034.65 and 138,863.10

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Solution

The fourth proportional to 168,023.10, 252,034.65 and 138,863.10 is: 208,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,023.10 : 252,034.65 = 138,863.10 : x
  2. Step 2: Convert to fraction form
    168,023.10/252,034.65 = 138,863.10/x
  3. Step 3: Cross multiply
    168,023.10x = 252,034.65 × 138,863.10
  4. Step 4: Simplify right side
    168,023.10x = 34,998,312,806.42
  5. Step 5: Solve for x
    x = 34,998,312,806.42/168,023.10
  6. Step 6: Final answer
    x = 208,294.65

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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.