Home / 121,823.20-182,712.44-55,247.32

Finding the Fourth Proportional to 121,823.20, 182,712.44 and 55,247.32

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Solution

The fourth proportional to 121,823.20, 182,712.44 and 55,247.32 is: 82,860.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,823.20 : 182,712.44 = 55,247.32 : x
  2. Step 2: Convert to fraction form
    121,823.20/182,712.44 = 55,247.32/x
  3. Step 3: Cross multiply
    121,823.20x = 182,712.44 × 55,247.32
  4. Step 4: Simplify right side
    121,823.20x = 10,094,372,640.66
  5. Step 5: Solve for x
    x = 10,094,372,640.66/121,823.20
  6. Step 6: Final answer
    x = 82,860.84

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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.