Home / 112,811.82-169,217.73-57,446.70

Finding the Fourth Proportional to 112,811.82, 169,217.73 and 57,446.70

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Solution

The fourth proportional to 112,811.82, 169,217.73 and 57,446.70 is: 86,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,811.82 : 169,217.73 = 57,446.70 : x
  2. Step 2: Convert to fraction form
    112,811.82/169,217.73 = 57,446.70/x
  3. Step 3: Cross multiply
    112,811.82x = 169,217.73 × 57,446.70
  4. Step 4: Simplify right side
    112,811.82x = 9,721,000,169.99
  5. Step 5: Solve for x
    x = 9,721,000,169.99/112,811.82
  6. Step 6: Final answer
    x = 86,170.05

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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.