Home / 90,227.25-135,278.51-64,942.29

Finding the Fourth Proportional to 90,227.25, 135,278.51 and 64,942.29

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Solution

The fourth proportional to 90,227.25, 135,278.51 and 64,942.29 is: 97,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,227.25 : 135,278.51 = 64,942.29 : x
  2. Step 2: Convert to fraction form
    90,227.25/135,278.51 = 64,942.29/x
  3. Step 3: Cross multiply
    90,227.25x = 135,278.51 × 64,942.29
  4. Step 4: Simplify right side
    90,227.25x = 8,785,295,902.48
  5. Step 5: Solve for x
    x = 8,785,295,902.48/90,227.25
  6. Step 6: Final answer
    x = 97,368.54

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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.