Home / 121,229.27-167,295.44-70,240.89

Finding the Fourth Proportional to 121,229.27, 167,295.44 and 70,240.89

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Solution

The fourth proportional to 121,229.27, 167,295.44 and 70,240.89 is: 96,931.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,229.27 : 167,295.44 = 70,240.89 : x
  2. Step 2: Convert to fraction form
    121,229.27/167,295.44 = 70,240.89/x
  3. Step 3: Cross multiply
    121,229.27x = 167,295.44 × 70,240.89
  4. Step 4: Simplify right side
    121,229.27x = 11,750,980,247.34
  5. Step 5: Solve for x
    x = 11,750,980,247.34/121,229.27
  6. Step 6: Final answer
    x = 96,931.88

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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.