Home / 90,805.40-136,178.78-33,094.44

Finding the Fourth Proportional to 90,805.40, 136,178.78 and 33,094.44

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Solution

The fourth proportional to 90,805.40, 136,178.78 and 33,094.44 is: 49,630.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,805.40 : 136,178.78 = 33,094.44 : x
  2. Step 2: Convert to fraction form
    90,805.40/136,178.78 = 33,094.44/x
  3. Step 3: Cross multiply
    90,805.40x = 136,178.78 × 33,094.44
  4. Step 4: Simplify right side
    90,805.40x = 4,506,760,463.98
  5. Step 5: Solve for x
    x = 4,506,760,463.98/90,805.40
  6. Step 6: Final answer
    x = 49,630.97

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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.