Home / 144,747.60-199,752.15-80,217.90

Finding the Fourth Proportional to 144,747.60, 199,752.15 and 80,217.90

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Solution

The fourth proportional to 144,747.60, 199,752.15 and 80,217.90 is: 110,700.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,747.60 : 199,752.15 = 80,217.90 : x
  2. Step 2: Convert to fraction form
    144,747.60/199,752.15 = 80,217.90/x
  3. Step 3: Cross multiply
    144,747.60x = 199,752.15 × 80,217.90
  4. Step 4: Simplify right side
    144,747.60x = 16,023,697,993.49
  5. Step 5: Solve for x
    x = 16,023,697,993.49/144,747.60
  6. Step 6: Final answer
    x = 110,700.96

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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.