Home / 121,517.35-167,709.09-70,519.13

Finding the Fourth Proportional to 121,517.35, 167,709.09 and 70,519.13

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Solution

The fourth proportional to 121,517.35, 167,709.09 and 70,519.13 is: 97,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,517.35 : 167,709.09 = 70,519.13 : x
  2. Step 2: Convert to fraction form
    121,517.35/167,709.09 = 70,519.13/x
  3. Step 3: Cross multiply
    121,517.35x = 167,709.09 × 70,519.13
  4. Step 4: Simplify right side
    121,517.35x = 11,826,699,119.89
  5. Step 5: Solve for x
    x = 11,826,699,119.89/121,517.35
  6. Step 6: Final answer
    x = 97,325.19

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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.