Home / 122,250.57-168,706.41-71,298.66

Finding the Fourth Proportional to 122,250.57, 168,706.41 and 71,298.66

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Solution

The fourth proportional to 122,250.57, 168,706.41 and 71,298.66 is: 98,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,250.57 : 168,706.41 = 71,298.66 : x
  2. Step 2: Convert to fraction form
    122,250.57/168,706.41 = 71,298.66/x
  3. Step 3: Cross multiply
    122,250.57x = 168,706.41 × 71,298.66
  4. Step 4: Simplify right side
    122,250.57x = 12,028,540,966.41
  5. Step 5: Solve for x
    x = 12,028,540,966.41/122,250.57
  6. Step 6: Final answer
    x = 98,392.51

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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.