Home / 124,844.49-172,277.89-71,135.42

Finding the Fourth Proportional to 124,844.49, 172,277.89 and 71,135.42

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Solution

The fourth proportional to 124,844.49, 172,277.89 and 71,135.42 is: 98,162.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,844.49 : 172,277.89 = 71,135.42 : x
  2. Step 2: Convert to fraction form
    124,844.49/172,277.89 = 71,135.42/x
  3. Step 3: Cross multiply
    124,844.49x = 172,277.89 × 71,135.42
  4. Step 4: Simplify right side
    124,844.49x = 12,255,059,022.64
  5. Step 5: Solve for x
    x = 12,255,059,022.64/124,844.49
  6. Step 6: Final answer
    x = 98,162.59

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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.