Home / 122,439.92-168,957.90-67,995.15

Finding the Fourth Proportional to 122,439.92, 168,957.90 and 67,995.15

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Solution

The fourth proportional to 122,439.92, 168,957.90 and 67,995.15 is: 93,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,439.92 : 168,957.90 = 67,995.15 : x
  2. Step 2: Convert to fraction form
    122,439.92/168,957.90 = 67,995.15/x
  3. Step 3: Cross multiply
    122,439.92x = 168,957.90 × 67,995.15
  4. Step 4: Simplify right side
    122,439.92x = 11,488,317,754.19
  5. Step 5: Solve for x
    x = 11,488,317,754.19/122,439.92
  6. Step 6: Final answer
    x = 93,828.21

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1.5x scale

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.