Home / 90,902.49-136,353.78-43,506.44

Finding the Fourth Proportional to 90,902.49, 136,353.78 and 43,506.44

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Solution

The fourth proportional to 90,902.49, 136,353.78 and 43,506.44 is: 65,259.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,902.49 : 136,353.78 = 43,506.44 : x
  2. Step 2: Convert to fraction form
    90,902.49/136,353.78 = 43,506.44/x
  3. Step 3: Cross multiply
    90,902.49x = 136,353.78 × 43,506.44
  4. Step 4: Simplify right side
    90,902.49x = 5,932,267,377.90
  5. Step 5: Solve for x
    x = 5,932,267,377.90/90,902.49
  6. Step 6: Final answer
    x = 65,259.68

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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.