Home / 74,651.10-111,976.65-74,132.70

Finding the Fourth Proportional to 74,651.10, 111,976.65 and 74,132.70

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Solution

The fourth proportional to 74,651.10, 111,976.65 and 74,132.70 is: 111,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,651.10 : 111,976.65 = 74,132.70 : x
  2. Step 2: Convert to fraction form
    74,651.10/111,976.65 = 74,132.70/x
  3. Step 3: Cross multiply
    74,651.10x = 111,976.65 × 74,132.70
  4. Step 4: Simplify right side
    74,651.10x = 8,301,131,401.46
  5. Step 5: Solve for x
    x = 8,301,131,401.46/74,651.10
  6. Step 6: Final answer
    x = 111,199.05

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Similar ratio
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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.