Home / 122,882.22-169,543.53-69,164.10

Finding the Fourth Proportional to 122,882.22, 169,543.53 and 69,164.10

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Solution

The fourth proportional to 122,882.22, 169,543.53 and 69,164.10 is: 95,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,882.22 : 169,543.53 = 69,164.10 : x
  2. Step 2: Convert to fraction form
    122,882.22/169,543.53 = 69,164.10/x
  3. Step 3: Cross multiply
    122,882.22x = 169,543.53 × 69,164.10
  4. Step 4: Simplify right side
    122,882.22x = 11,726,325,663.27
  5. Step 5: Solve for x
    x = 11,726,325,663.27/122,882.22
  6. Step 6: Final answer
    x = 95,427.36

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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.