Home / 134,858.10-202,287.15-85,091.70

Finding the Fourth Proportional to 134,858.10, 202,287.15 and 85,091.70

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Solution

The fourth proportional to 134,858.10, 202,287.15 and 85,091.70 is: 127,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,858.10 : 202,287.15 = 85,091.70 : x
  2. Step 2: Convert to fraction form
    134,858.10/202,287.15 = 85,091.70/x
  3. Step 3: Cross multiply
    134,858.10x = 202,287.15 × 85,091.70
  4. Step 4: Simplify right side
    134,858.10x = 17,212,957,481.66
  5. Step 5: Solve for x
    x = 17,212,957,481.66/134,858.10
  6. Step 6: Final answer
    x = 127,637.55

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1.5x scale

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.