Home / 75,206.28-112,809.68-19,046.36

Finding the Fourth Proportional to 75,206.28, 112,809.68 and 19,046.36

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Solution

The fourth proportional to 75,206.28, 112,809.68 and 19,046.36 is: 28,569.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,206.28 : 112,809.68 = 19,046.36 : x
  2. Step 2: Convert to fraction form
    75,206.28/112,809.68 = 19,046.36/x
  3. Step 3: Cross multiply
    75,206.28x = 112,809.68 × 19,046.36
  4. Step 4: Simplify right side
    75,206.28x = 2,148,613,776.76
  5. Step 5: Solve for x
    x = 2,148,613,776.76/75,206.28
  6. Step 6: Final answer
    x = 28,569.61

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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.