Home / 121,842.20-182,560.80-117,234.92

Finding the Fourth Proportional to 121,842.20, 182,560.80 and 117,234.92

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Solution

The fourth proportional to 121,842.20, 182,560.80 and 117,234.92 is: 175,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,842.20 : 182,560.80 = 117,234.92 : x
  2. Step 2: Convert to fraction form
    121,842.20/182,560.80 = 117,234.92/x
  3. Step 3: Cross multiply
    121,842.20x = 182,560.80 × 117,234.92
  4. Step 4: Simplify right side
    121,842.20x = 21,402,500,783.14
  5. Step 5: Solve for x
    x = 21,402,500,783.14/121,842.20
  6. Step 6: Final answer
    x = 175,657.54

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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.