Home / 112,954.20-169,431.30-62,215.80

Finding the Fourth Proportional to 112,954.20, 169,431.30 and 62,215.80

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Solution

The fourth proportional to 112,954.20, 169,431.30 and 62,215.80 is: 93,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,954.20 : 169,431.30 = 62,215.80 : x
  2. Step 2: Convert to fraction form
    112,954.20/169,431.30 = 62,215.80/x
  3. Step 3: Cross multiply
    112,954.20x = 169,431.30 × 62,215.80
  4. Step 4: Simplify right side
    112,954.20x = 10,541,303,874.54
  5. Step 5: Solve for x
    x = 10,541,303,874.54/112,954.20
  6. Step 6: Final answer
    x = 93,323.70

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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.