Home / 135,245.48-186,575.88-87,514.24

Finding the Fourth Proportional to 135,245.48, 186,575.88 and 87,514.24

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Solution

The fourth proportional to 135,245.48, 186,575.88 and 87,514.24 is: 120,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,245.48 : 186,575.88 = 87,514.24 : x
  2. Step 2: Convert to fraction form
    135,245.48/186,575.88 = 87,514.24/x
  3. Step 3: Cross multiply
    135,245.48x = 186,575.88 × 87,514.24
  4. Step 4: Simplify right side
    135,245.48x = 16,328,046,340.53
  5. Step 5: Solve for x
    x = 16,328,046,340.53/135,245.48
  6. Step 6: Final answer
    x = 120,728.96

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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.