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Finding the Fourth Proportional to 121,393.89, 182,126.37 and 62,270.78

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Solution

The fourth proportional to 121,393.89, 182,126.37 and 62,270.78 is: 93,424.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,393.89 : 182,126.37 = 62,270.78 : x
  2. Step 2: Convert to fraction form
    121,393.89/182,126.37 = 62,270.78/x
  3. Step 3: Cross multiply
    121,393.89x = 182,126.37 × 62,270.78
  4. Step 4: Simplify right side
    121,393.89x = 11,341,150,441.35
  5. Step 5: Solve for x
    x = 11,341,150,441.35/121,393.89
  6. Step 6: Final answer
    x = 93,424.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.