Home / 90,679.38-136,018.89-24,119.58

Finding the Fourth Proportional to 90,679.38, 136,018.89 and 24,119.58

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Solution

The fourth proportional to 90,679.38, 136,018.89 and 24,119.58 is: 36,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,679.38 : 136,018.89 = 24,119.58 : x
  2. Step 2: Convert to fraction form
    90,679.38/136,018.89 = 24,119.58/x
  3. Step 3: Cross multiply
    90,679.38x = 136,018.89 × 24,119.58
  4. Step 4: Simplify right side
    90,679.38x = 3,280,718,378.27
  5. Step 5: Solve for x
    x = 3,280,718,378.27/90,679.38
  6. Step 6: Final answer
    x = 36,179.32

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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.