Home / 122,442.83-168,982.67-71,451.44

Finding the Fourth Proportional to 122,442.83, 168,982.67 and 71,451.44

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Solution

The fourth proportional to 122,442.83, 168,982.67 and 71,451.44 is: 98,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,442.83 : 168,982.67 = 71,451.44 : x
  2. Step 2: Convert to fraction form
    122,442.83/168,982.67 = 71,451.44/x
  3. Step 3: Cross multiply
    122,442.83x = 168,982.67 × 71,451.44
  4. Step 4: Simplify right side
    122,442.83x = 12,074,055,106.54
  5. Step 5: Solve for x
    x = 12,074,055,106.54/122,442.83
  6. Step 6: Final answer
    x = 98,609.74

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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.