Home / 121,844.20-182,766.30-38,746.60

Finding the Fourth Proportional to 121,844.20, 182,766.30 and 38,746.60

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Solution

The fourth proportional to 121,844.20, 182,766.30 and 38,746.60 is: 58,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,844.20 : 182,766.30 = 38,746.60 : x
  2. Step 2: Convert to fraction form
    121,844.20/182,766.30 = 38,746.60/x
  3. Step 3: Cross multiply
    121,844.20x = 182,766.30 × 38,746.60
  4. Step 4: Simplify right side
    121,844.20x = 7,081,572,719.58
  5. Step 5: Solve for x
    x = 7,081,572,719.58/121,844.20
  6. Step 6: Final answer
    x = 58,119.90

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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.