Home / 90,252.16-124,549.74-49,964.78

Finding the Fourth Proportional to 90,252.16, 124,549.74 and 49,964.78

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Solution

The fourth proportional to 90,252.16, 124,549.74 and 49,964.78 is: 68,952.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,252.16 : 124,549.74 = 49,964.78 : x
  2. Step 2: Convert to fraction form
    90,252.16/124,549.74 = 49,964.78/x
  3. Step 3: Cross multiply
    90,252.16x = 124,549.74 × 49,964.78
  4. Step 4: Simplify right side
    90,252.16x = 6,223,100,358.16
  5. Step 5: Solve for x
    x = 6,223,100,358.16/90,252.16
  6. Step 6: Final answer
    x = 68,952.37

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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.