Home / 146,468.75-202,126.88-79,400.75

Finding the Fourth Proportional to 146,468.75, 202,126.88 and 79,400.75

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Solution

The fourth proportional to 146,468.75, 202,126.88 and 79,400.75 is: 109,573.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,468.75 : 202,126.88 = 79,400.75 : x
  2. Step 2: Convert to fraction form
    146,468.75/202,126.88 = 79,400.75/x
  3. Step 3: Cross multiply
    146,468.75x = 202,126.88 × 79,400.75
  4. Step 4: Simplify right side
    146,468.75x = 16,049,025,470.16
  5. Step 5: Solve for x
    x = 16,049,025,470.16/146,468.75
  6. Step 6: Final answer
    x = 109,573.04

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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.