Home / 121,017.24-167,003.10-67,299.12

Finding the Fourth Proportional to 121,017.24, 167,003.10 and 67,299.12

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Solution

The fourth proportional to 121,017.24, 167,003.10 and 67,299.12 is: 92,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,017.24 : 167,003.10 = 67,299.12 : x
  2. Step 2: Convert to fraction form
    121,017.24/167,003.10 = 67,299.12/x
  3. Step 3: Cross multiply
    121,017.24x = 167,003.10 × 67,299.12
  4. Step 4: Simplify right side
    121,017.24x = 11,239,161,667.27
  5. Step 5: Solve for x
    x = 11,239,161,667.27/121,017.24
  6. Step 6: Final answer
    x = 92,872.40

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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.