Home / 75,273.20-112,909.84-19,117.52

Finding the Fourth Proportional to 75,273.20, 112,909.84 and 19,117.52

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Solution

The fourth proportional to 75,273.20, 112,909.84 and 19,117.52 is: 28,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,273.20 : 112,909.84 = 19,117.52 : x
  2. Step 2: Convert to fraction form
    75,273.20/112,909.84 = 19,117.52/x
  3. Step 3: Cross multiply
    75,273.20x = 112,909.84 × 19,117.52
  4. Step 4: Simplify right side
    75,273.20x = 2,158,555,559.85
  5. Step 5: Solve for x
    x = 2,158,555,559.85/75,273.20
  6. Step 6: Final answer
    x = 28,676.28

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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.