Home / 80,323.26-120,526.20-38,251.05

Finding the Fourth Proportional to 80,323.26, 120,526.20 and 38,251.05

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Solution

The fourth proportional to 80,323.26, 120,526.20 and 38,251.05 is: 57,396.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,323.26 : 120,526.20 = 38,251.05 : x
  2. Step 2: Convert to fraction form
    80,323.26/120,526.20 = 38,251.05/x
  3. Step 3: Cross multiply
    80,323.26x = 120,526.20 × 38,251.05
  4. Step 4: Simplify right side
    80,323.26x = 4,610,253,702.51
  5. Step 5: Solve for x
    x = 4,610,253,702.51/80,323.26
  6. Step 6: Final answer
    x = 57,396.25

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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.