Home / 105,858.32-146,079.11-62,839.65

Finding the Fourth Proportional to 105,858.32, 146,079.11 and 62,839.65

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Solution

The fourth proportional to 105,858.32, 146,079.11 and 62,839.65 is: 86,715.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,858.32 : 146,079.11 = 62,839.65 : x
  2. Step 2: Convert to fraction form
    105,858.32/146,079.11 = 62,839.65/x
  3. Step 3: Cross multiply
    105,858.32x = 146,079.11 × 62,839.65
  4. Step 4: Simplify right side
    105,858.32x = 9,179,559,414.32
  5. Step 5: Solve for x
    x = 9,179,559,414.32/105,858.32
  6. Step 6: Final answer
    x = 86,715.53

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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.