Home / 121,280.60-182,007.30-51,210.20

Finding the Fourth Proportional to 121,280.60, 182,007.30 and 51,210.20

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Solution

The fourth proportional to 121,280.60, 182,007.30 and 51,210.20 is: 76,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,280.60 : 182,007.30 = 51,210.20 : x
  2. Step 2: Convert to fraction form
    121,280.60/182,007.30 = 51,210.20/x
  3. Step 3: Cross multiply
    121,280.60x = 182,007.30 × 51,210.20
  4. Step 4: Simplify right side
    121,280.60x = 9,320,630,234.46
  5. Step 5: Solve for x
    x = 9,320,630,234.46/121,280.60
  6. Step 6: Final answer
    x = 76,851.78

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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.