Home / 168,078.10-252,117.15-89,151.70

Finding the Fourth Proportional to 168,078.10, 252,117.15 and 89,151.70

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Solution

The fourth proportional to 168,078.10, 252,117.15 and 89,151.70 is: 133,727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,078.10 : 252,117.15 = 89,151.70 : x
  2. Step 2: Convert to fraction form
    168,078.10/252,117.15 = 89,151.70/x
  3. Step 3: Cross multiply
    168,078.10x = 252,117.15 × 89,151.70
  4. Step 4: Simplify right side
    168,078.10x = 22,476,672,521.66
  5. Step 5: Solve for x
    x = 22,476,672,521.66/168,078.10
  6. Step 6: Final answer
    x = 133,727.55

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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.