Home / 80,263.96-120,397.08-38,148.27

Finding the Fourth Proportional to 80,263.96, 120,397.08 and 38,148.27

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Solution

The fourth proportional to 80,263.96, 120,397.08 and 38,148.27 is: 57,222.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,263.96 : 120,397.08 = 38,148.27 : x
  2. Step 2: Convert to fraction form
    80,263.96/120,397.08 = 38,148.27/x
  3. Step 3: Cross multiply
    80,263.96x = 120,397.08 × 38,148.27
  4. Step 4: Simplify right side
    80,263.96x = 4,592,940,006.62
  5. Step 5: Solve for x
    x = 4,592,940,006.62/80,263.96
  6. Step 6: Final answer
    x = 57,222.94

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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.