Home / 80,155.72-120,250.86-24,000.28

Finding the Fourth Proportional to 80,155.72, 120,250.86 and 24,000.28

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Solution

The fourth proportional to 80,155.72, 120,250.86 and 24,000.28 is: 36,005.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,155.72 : 120,250.86 = 24,000.28 : x
  2. Step 2: Convert to fraction form
    80,155.72/120,250.86 = 24,000.28/x
  3. Step 3: Cross multiply
    80,155.72x = 120,250.86 × 24,000.28
  4. Step 4: Simplify right side
    80,155.72x = 2,886,054,310.24
  5. Step 5: Solve for x
    x = 2,886,054,310.24/80,155.72
  6. Step 6: Final answer
    x = 36,005.59

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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.