Home / 80,189.90-110,646.78-44,378.18

Finding the Fourth Proportional to 80,189.90, 110,646.78 and 44,378.18

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Solution

The fourth proportional to 80,189.90, 110,646.78 and 44,378.18 is: 61,233.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,189.90 : 110,646.78 = 44,378.18 : x
  2. Step 2: Convert to fraction form
    80,189.90/110,646.78 = 44,378.18/x
  3. Step 3: Cross multiply
    80,189.90x = 110,646.78 × 44,378.18
  4. Step 4: Simplify right side
    80,189.90x = 4,910,302,719.26
  5. Step 5: Solve for x
    x = 4,910,302,719.26/80,189.90
  6. Step 6: Final answer
    x = 61,233.43

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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.