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Finding the Fourth Proportional to 146,468.25, 202,126.19 and 79,400.25

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Solution

The fourth proportional to 146,468.25, 202,126.19 and 79,400.25 is: 109,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,468.25 : 202,126.19 = 79,400.25 : x
  2. Step 2: Convert to fraction form
    146,468.25/202,126.19 = 79,400.25/x
  3. Step 3: Cross multiply
    146,468.25x = 202,126.19 × 79,400.25
  4. Step 4: Simplify right side
    146,468.25x = 16,048,869,620.55
  5. Step 5: Solve for x
    x = 16,048,869,620.55/146,468.25
  6. Step 6: Final answer
    x = 109,572.35

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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.