Home / 121,399.20-167,527.62-70,408.71

Finding the Fourth Proportional to 121,399.20, 167,527.62 and 70,408.71

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Solution

The fourth proportional to 121,399.20, 167,527.62 and 70,408.71 is: 97,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,399.20 : 167,527.62 = 70,408.71 : x
  2. Step 2: Convert to fraction form
    121,399.20/167,527.62 = 70,408.71/x
  3. Step 3: Cross multiply
    121,399.20x = 167,527.62 × 70,408.71
  4. Step 4: Simplify right side
    121,399.20x = 11,795,403,613.57
  5. Step 5: Solve for x
    x = 11,795,403,613.57/121,399.20
  6. Step 6: Final answer
    x = 97,162.12

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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.