Home / 75,203.28-112,805.18-19,043.37

Finding the Fourth Proportional to 75,203.28, 112,805.18 and 19,043.37

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Solution

The fourth proportional to 75,203.28, 112,805.18 and 19,043.37 is: 28,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,203.28 : 112,805.18 = 19,043.37 : x
  2. Step 2: Convert to fraction form
    75,203.28/112,805.18 = 19,043.37/x
  3. Step 3: Cross multiply
    75,203.28x = 112,805.18 × 19,043.37
  4. Step 4: Simplify right side
    75,203.28x = 2,148,190,780.66
  5. Step 5: Solve for x
    x = 2,148,190,780.66/75,203.28
  6. Step 6: Final answer
    x = 28,565.12

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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.