Home / 121,514.65-167,622.83-71,203.93

Finding the Fourth Proportional to 121,514.65, 167,622.83 and 71,203.93

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Solution

The fourth proportional to 121,514.65, 167,622.83 and 71,203.93 is: 98,221.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,514.65 : 167,622.83 = 71,203.93 : x
  2. Step 2: Convert to fraction form
    121,514.65/167,622.83 = 71,203.93/x
  3. Step 3: Cross multiply
    121,514.65x = 167,622.83 × 71,203.93
  4. Step 4: Simplify right side
    121,514.65x = 11,935,403,897.70
  5. Step 5: Solve for x
    x = 11,935,403,897.70/121,514.65
  6. Step 6: Final answer
    x = 98,221.93

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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.