Home / 90,467.28-124,845.18-50,184.78

Finding the Fourth Proportional to 90,467.28, 124,845.18 and 50,184.78

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Solution

The fourth proportional to 90,467.28, 124,845.18 and 50,184.78 is: 69,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,467.28 : 124,845.18 = 50,184.78 : x
  2. Step 2: Convert to fraction form
    90,467.28/124,845.18 = 50,184.78/x
  3. Step 3: Cross multiply
    90,467.28x = 124,845.18 × 50,184.78
  4. Step 4: Simplify right side
    90,467.28x = 6,265,327,892.36
  5. Step 5: Solve for x
    x = 6,265,327,892.36/90,467.28
  6. Step 6: Final answer
    x = 69,255.18

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1.5x scale

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.