Home / 75,125.67-112,801.25-71,514.37

Finding the Fourth Proportional to 75,125.67, 112,801.25 and 71,514.37

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Solution

The fourth proportional to 75,125.67, 112,801.25 and 71,514.37 is: 107,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,125.67 : 112,801.25 = 71,514.37 : x
  2. Step 2: Convert to fraction form
    75,125.67/112,801.25 = 71,514.37/x
  3. Step 3: Cross multiply
    75,125.67x = 112,801.25 × 71,514.37
  4. Step 4: Simplify right side
    75,125.67x = 8,066,910,328.96
  5. Step 5: Solve for x
    x = 8,066,910,328.96/75,125.67
  6. Step 6: Final answer
    x = 107,378.88

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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.