Home / 90,733.78-136,011.97-40,826.44

Finding the Fourth Proportional to 90,733.78, 136,011.97 and 40,826.44

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Solution

The fourth proportional to 90,733.78, 136,011.97 and 40,826.44 is: 61,199.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,733.78 : 136,011.97 = 40,826.44 : x
  2. Step 2: Convert to fraction form
    90,733.78/136,011.97 = 40,826.44/x
  3. Step 3: Cross multiply
    90,733.78x = 136,011.97 × 40,826.44
  4. Step 4: Simplify right side
    90,733.78x = 5,552,884,532.49
  5. Step 5: Solve for x
    x = 5,552,884,532.49/90,733.78
  6. Step 6: Final answer
    x = 61,199.75

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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.