Home / 218,244.72-301,177.92-122,751.60

Finding the Fourth Proportional to 218,244.72, 301,177.92 and 122,751.60

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Solution

The fourth proportional to 218,244.72, 301,177.92 and 122,751.60 is: 169,397.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,244.72 : 301,177.92 = 122,751.60 : x
  2. Step 2: Convert to fraction form
    218,244.72/301,177.92 = 122,751.60/x
  3. Step 3: Cross multiply
    218,244.72x = 301,177.92 × 122,751.60
  4. Step 4: Simplify right side
    218,244.72x = 36,970,071,564.67
  5. Step 5: Solve for x
    x = 36,970,071,564.67/218,244.72
  6. Step 6: Final answer
    x = 169,397.32

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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.