Home / 121,464.91-167,621.14-67,749.88

Finding the Fourth Proportional to 121,464.91, 167,621.14 and 67,749.88

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Solution

The fourth proportional to 121,464.91, 167,621.14 and 67,749.88 is: 93,494.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,464.91 : 167,621.14 = 67,749.88 : x
  2. Step 2: Convert to fraction form
    121,464.91/167,621.14 = 67,749.88/x
  3. Step 3: Cross multiply
    121,464.91x = 167,621.14 × 67,749.88
  4. Step 4: Simplify right side
    121,464.91x = 11,356,312,120.46
  5. Step 5: Solve for x
    x = 11,356,312,120.46/121,464.91
  6. Step 6: Final answer
    x = 93,494.59

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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.