Home / 80,210.61-120,434.19-44,741.23

Finding the Fourth Proportional to 80,210.61, 120,434.19 and 44,741.23

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Solution

The fourth proportional to 80,210.61, 120,434.19 and 44,741.23 is: 67,177.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,210.61 : 120,434.19 = 44,741.23 : x
  2. Step 2: Convert to fraction form
    80,210.61/120,434.19 = 44,741.23/x
  3. Step 3: Cross multiply
    80,210.61x = 120,434.19 × 44,741.23
  4. Step 4: Simplify right side
    80,210.61x = 5,388,373,325.79
  5. Step 5: Solve for x
    x = 5,388,373,325.79/80,210.61
  6. Step 6: Final answer
    x = 67,177.82

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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.