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Finding the Fourth Proportional to 109,960, 151,744.84 and 62,212.32

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Solution

The fourth proportional to 109,960, 151,744.84 and 62,212.32 is: 85,853.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,960 : 151,744.84 = 62,212.32 : x
  2. Step 2: Convert to fraction form
    109,960/151,744.84 = 62,212.32/x
  3. Step 3: Cross multiply
    109,960x = 151,744.84 × 62,212.32
  4. Step 4: Simplify right side
    109,960x = 9,440,398,544.43
  5. Step 5: Solve for x
    x = 9,440,398,544.43/109,960
  6. Step 6: Final answer
    x = 85,853.02

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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.