Home / 218,148.48-301,013.76-122,651.52

Finding the Fourth Proportional to 218,148.48, 301,013.76 and 122,651.52

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Solution

The fourth proportional to 218,148.48, 301,013.76 and 122,651.52 is: 169,241.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,148.48 : 301,013.76 = 122,651.52 : x
  2. Step 2: Convert to fraction form
    218,148.48/301,013.76 = 122,651.52/x
  3. Step 3: Cross multiply
    218,148.48x = 301,013.76 × 122,651.52
  4. Step 4: Simplify right side
    218,148.48x = 36,919,795,204.92
  5. Step 5: Solve for x
    x = 36,919,795,204.92/218,148.48
  6. Step 6: Final answer
    x = 169,241.59

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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.