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Finding the Fourth Proportional to 146,263.88, 201,844.16 and 79,195.88

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Solution

The fourth proportional to 146,263.88, 201,844.16 and 79,195.88 is: 109,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,263.88 : 201,844.16 = 79,195.88 : x
  2. Step 2: Convert to fraction form
    146,263.88/201,844.16 = 79,195.88/x
  3. Step 3: Cross multiply
    146,263.88x = 201,844.16 × 79,195.88
  4. Step 4: Simplify right side
    146,263.88x = 15,985,224,468.86
  5. Step 5: Solve for x
    x = 15,985,224,468.86/146,263.88
  6. Step 6: Final answer
    x = 109,290.31

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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.