Home / 106,186.12-146,475.88-66,373

Finding the Fourth Proportional to 106,186.12, 146,475.88 and 66,373

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Solution

The fourth proportional to 106,186.12, 146,475.88 and 66,373 is: 91,556.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,186.12 : 146,475.88 = 66,373 : x
  2. Step 2: Convert to fraction form
    106,186.12/146,475.88 = 66,373/x
  3. Step 3: Cross multiply
    106,186.12x = 146,475.88 × 66,373
  4. Step 4: Simplify right side
    106,186.12x = 9,722,043,583.24
  5. Step 5: Solve for x
    x = 9,722,043,583.24/106,186.12
  6. Step 6: Final answer
    x = 91,556.63

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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.