Home / 80,193.28-120,050.25-48,507.45

Finding the Fourth Proportional to 80,193.28, 120,050.25 and 48,507.45

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Solution

The fourth proportional to 80,193.28, 120,050.25 and 48,507.45 is: 72,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,193.28 : 120,050.25 = 48,507.45 : x
  2. Step 2: Convert to fraction form
    80,193.28/120,050.25 = 48,507.45/x
  3. Step 3: Cross multiply
    80,193.28x = 120,050.25 × 48,507.45
  4. Step 4: Simplify right side
    80,193.28x = 5,823,330,899.11
  5. Step 5: Solve for x
    x = 5,823,330,899.11/80,193.28
  6. Step 6: Final answer
    x = 72,616.20

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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.