Home / 90,466.26-124,845.44-50,178.71

Finding the Fourth Proportional to 90,466.26, 124,845.44 and 50,178.71

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Solution

The fourth proportional to 90,466.26, 124,845.44 and 50,178.71 is: 69,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,466.26 : 124,845.44 = 50,178.71 : x
  2. Step 2: Convert to fraction form
    90,466.26/124,845.44 = 50,178.71/x
  3. Step 3: Cross multiply
    90,466.26x = 124,845.44 × 50,178.71
  4. Step 4: Simplify right side
    90,466.26x = 6,264,582,253.46
  5. Step 5: Solve for x
    x = 6,264,582,253.46/90,466.26
  6. Step 6: Final answer
    x = 69,247.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.