Home / 124,722.92-172,109.40-71,013.44

Finding the Fourth Proportional to 124,722.92, 172,109.40 and 71,013.44

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Solution

The fourth proportional to 124,722.92, 172,109.40 and 71,013.44 is: 97,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,722.92 : 172,109.40 = 71,013.44 : x
  2. Step 2: Convert to fraction form
    124,722.92/172,109.40 = 71,013.44/x
  3. Step 3: Cross multiply
    124,722.92x = 172,109.40 × 71,013.44
  4. Step 4: Simplify right side
    124,722.92x = 12,222,080,550.34
  5. Step 5: Solve for x
    x = 12,222,080,550.34/124,722.92
  6. Step 6: Final answer
    x = 97,993.86

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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.