Home / 121,017.30-167,003.01-67,299.18

Finding the Fourth Proportional to 121,017.30, 167,003.01 and 67,299.18

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Solution

The fourth proportional to 121,017.30, 167,003.01 and 67,299.18 is: 92,872.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,017.30 : 167,003.01 = 67,299.18 : x
  2. Step 2: Convert to fraction form
    121,017.30/167,003.01 = 67,299.18/x
  3. Step 3: Cross multiply
    121,017.30x = 167,003.01 × 67,299.18
  4. Step 4: Simplify right side
    121,017.30x = 11,239,165,630.53
  5. Step 5: Solve for x
    x = 11,239,165,630.53/121,017.30
  6. Step 6: Final answer
    x = 92,872.39

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1.5x scale

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.