Home / 106,119.48-146,654.94-86,969.04

Finding the Fourth Proportional to 106,119.48, 146,654.94 and 86,969.04

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Solution

The fourth proportional to 106,119.48, 146,654.94 and 86,969.04 is: 120,189.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,119.48 : 146,654.94 = 86,969.04 : x
  2. Step 2: Convert to fraction form
    106,119.48/146,654.94 = 86,969.04/x
  3. Step 3: Cross multiply
    106,119.48x = 146,654.94 × 86,969.04
  4. Step 4: Simplify right side
    106,119.48x = 12,754,439,343.06
  5. Step 5: Solve for x
    x = 12,754,439,343.06/106,119.48
  6. Step 6: Final answer
    x = 120,189.43

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1.5x scale

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.