Home / 134,865.30-202,273.65-84,855.90

Finding the Fourth Proportional to 134,865.30, 202,273.65 and 84,855.90

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Solution

The fourth proportional to 134,865.30, 202,273.65 and 84,855.90 is: 127,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,865.30 : 202,273.65 = 84,855.90 : x
  2. Step 2: Convert to fraction form
    134,865.30/202,273.65 = 84,855.90/x
  3. Step 3: Cross multiply
    134,865.30x = 202,273.65 × 84,855.90
  4. Step 4: Simplify right side
    134,865.30x = 17,164,112,617.04
  5. Step 5: Solve for x
    x = 17,164,112,617.04/134,865.30
  6. Step 6: Final answer
    x = 127,268.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.