Home / 121,383.90-167,522.40-73,001.52

Finding the Fourth Proportional to 121,383.90, 167,522.40 and 73,001.52

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Solution

The fourth proportional to 121,383.90, 167,522.40 and 73,001.52 is: 100,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,383.90 : 167,522.40 = 73,001.52 : x
  2. Step 2: Convert to fraction form
    121,383.90/167,522.40 = 73,001.52/x
  3. Step 3: Cross multiply
    121,383.90x = 167,522.40 × 73,001.52
  4. Step 4: Simplify right side
    121,383.90x = 12,229,389,834.05
  5. Step 5: Solve for x
    x = 12,229,389,834.05/121,383.90
  6. Step 6: Final answer
    x = 100,749.69

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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.