Home / 135,164.29-202,805.74-64,138.28

Finding the Fourth Proportional to 135,164.29, 202,805.74 and 64,138.28

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Solution

The fourth proportional to 135,164.29, 202,805.74 and 64,138.28 is: 96,235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,164.29 : 202,805.74 = 64,138.28 : x
  2. Step 2: Convert to fraction form
    135,164.29/202,805.74 = 64,138.28/x
  3. Step 3: Cross multiply
    135,164.29x = 202,805.74 × 64,138.28
  4. Step 4: Simplify right side
    135,164.29x = 13,007,610,163.35
  5. Step 5: Solve for x
    x = 13,007,610,163.35/135,164.29
  6. Step 6: Final answer
    x = 96,235.55

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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.