Home / 109,439.40-164,288.70-62,092.20

Finding the Fourth Proportional to 109,439.40, 164,288.70 and 62,092.20

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Solution

The fourth proportional to 109,439.40, 164,288.70 and 62,092.20 is: 93,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,439.40 : 164,288.70 = 62,092.20 : x
  2. Step 2: Convert to fraction form
    109,439.40/164,288.70 = 62,092.20/x
  3. Step 3: Cross multiply
    109,439.40x = 164,288.70 × 62,092.20
  4. Step 4: Simplify right side
    109,439.40x = 10,201,046,818.14
  5. Step 5: Solve for x
    x = 10,201,046,818.14/109,439.40
  6. Step 6: Final answer
    x = 93,211.83

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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.