Home / 121,635.07-182,478.23-45,734.09

Finding the Fourth Proportional to 121,635.07, 182,478.23 and 45,734.09

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Solution

The fourth proportional to 121,635.07, 182,478.23 and 45,734.09 is: 68,610.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,635.07 : 182,478.23 = 45,734.09 : x
  2. Step 2: Convert to fraction form
    121,635.07/182,478.23 = 45,734.09/x
  3. Step 3: Cross multiply
    121,635.07x = 182,478.23 × 45,734.09
  4. Step 4: Simplify right side
    121,635.07x = 8,345,475,793.86
  5. Step 5: Solve for x
    x = 8,345,475,793.86/121,635.07
  6. Step 6: Final answer
    x = 68,610.77

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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.