Home / 106,140.12-146,412.54-66,327

Finding the Fourth Proportional to 106,140.12, 146,412.54 and 66,327

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Solution

The fourth proportional to 106,140.12, 146,412.54 and 66,327 is: 91,493.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,140.12 : 146,412.54 = 66,327 : x
  2. Step 2: Convert to fraction form
    106,140.12/146,412.54 = 66,327/x
  3. Step 3: Cross multiply
    106,140.12x = 146,412.54 × 66,327
  4. Step 4: Simplify right side
    106,140.12x = 9,711,104,540.58
  5. Step 5: Solve for x
    x = 9,711,104,540.58/106,140.12
  6. Step 6: Final answer
    x = 91,493.25

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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.