Home / 136,249.34-188,050.10-90,227.88

Finding the Fourth Proportional to 136,249.34, 188,050.10 and 90,227.88

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Solution

The fourth proportional to 136,249.34, 188,050.10 and 90,227.88 is: 124,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,249.34 : 188,050.10 = 90,227.88 : x
  2. Step 2: Convert to fraction form
    136,249.34/188,050.10 = 90,227.88/x
  3. Step 3: Cross multiply
    136,249.34x = 188,050.10 × 90,227.88
  4. Step 4: Simplify right side
    136,249.34x = 16,967,361,405.65
  5. Step 5: Solve for x
    x = 16,967,361,405.65/136,249.34
  6. Step 6: Final answer
    x = 124,531.70

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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.