Home / 100,078.42-137,530.17-95,452.66

Finding the Fourth Proportional to 100,078.42, 137,530.17 and 95,452.66

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Solution

The fourth proportional to 100,078.42, 137,530.17 and 95,452.66 is: 131,173.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,078.42 : 137,530.17 = 95,452.66 : x
  2. Step 2: Convert to fraction form
    100,078.42/137,530.17 = 95,452.66/x
  3. Step 3: Cross multiply
    100,078.42x = 137,530.17 × 95,452.66
  4. Step 4: Simplify right side
    100,078.42x = 13,127,620,556.75
  5. Step 5: Solve for x
    x = 13,127,620,556.75/100,078.42
  6. Step 6: Final answer
    x = 131,173.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.