Home / 122,186.22-168,610.02-71,207.25

Finding the Fourth Proportional to 122,186.22, 168,610.02 and 71,207.25

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Solution

The fourth proportional to 122,186.22, 168,610.02 and 71,207.25 is: 98,261.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,186.22 : 168,610.02 = 71,207.25 : x
  2. Step 2: Convert to fraction form
    122,186.22/168,610.02 = 71,207.25/x
  3. Step 3: Cross multiply
    122,186.22x = 168,610.02 × 71,207.25
  4. Step 4: Simplify right side
    122,186.22x = 12,006,255,846.65
  5. Step 5: Solve for x
    x = 12,006,255,846.65/122,186.22
  6. Step 6: Final answer
    x = 98,261.95

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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.