Home / 106,217.13-146,581.52-57,820.46

Finding the Fourth Proportional to 106,217.13, 146,581.52 and 57,820.46

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Solution

The fourth proportional to 106,217.13, 146,581.52 and 57,820.46 is: 79,793.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,217.13 : 146,581.52 = 57,820.46 : x
  2. Step 2: Convert to fraction form
    106,217.13/146,581.52 = 57,820.46/x
  3. Step 3: Cross multiply
    106,217.13x = 146,581.52 × 57,820.46
  4. Step 4: Simplify right side
    106,217.13x = 8,475,409,891.89
  5. Step 5: Solve for x
    x = 8,475,409,891.89/106,217.13
  6. Step 6: Final answer
    x = 79,793.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.