Home / 121,087.68-167,098.38-70,102.56

Finding the Fourth Proportional to 121,087.68, 167,098.38 and 70,102.56

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Solution

The fourth proportional to 121,087.68, 167,098.38 and 70,102.56 is: 96,740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,087.68 : 167,098.38 = 70,102.56 : x
  2. Step 2: Convert to fraction form
    121,087.68/167,098.38 = 70,102.56/x
  3. Step 3: Cross multiply
    121,087.68x = 167,098.38 × 70,102.56
  4. Step 4: Simplify right side
    121,087.68x = 11,714,024,209.85
  5. Step 5: Solve for x
    x = 11,714,024,209.85/121,087.68
  6. Step 6: Final answer
    x = 96,740.02

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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.