Home / 121,035.20-167,027.04-67,320

Finding the Fourth Proportional to 121,035.20, 167,027.04 and 67,320

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Solution

The fourth proportional to 121,035.20, 167,027.04 and 67,320 is: 92,900.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,035.20 : 167,027.04 = 67,320 : x
  2. Step 2: Convert to fraction form
    121,035.20/167,027.04 = 67,320/x
  3. Step 3: Cross multiply
    121,035.20x = 167,027.04 × 67,320
  4. Step 4: Simplify right side
    121,035.20x = 11,244,260,332.80
  5. Step 5: Solve for x
    x = 11,244,260,332.80/121,035.20
  6. Step 6: Final answer
    x = 92,900.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.