Home / 105,774.32-158,654.01-49,626.74

Finding the Fourth Proportional to 105,774.32, 158,654.01 and 49,626.74

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Solution

The fourth proportional to 105,774.32, 158,654.01 and 49,626.74 is: 74,436.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,774.32 : 158,654.01 = 49,626.74 : x
  2. Step 2: Convert to fraction form
    105,774.32/158,654.01 = 49,626.74/x
  3. Step 3: Cross multiply
    105,774.32x = 158,654.01 × 49,626.74
  4. Step 4: Simplify right side
    105,774.32x = 7,873,481,304.23
  5. Step 5: Solve for x
    x = 7,873,481,304.23/105,774.32
  6. Step 6: Final answer
    x = 74,436.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.