Home / 105,919.80-146,171.84-58,174.16

Finding the Fourth Proportional to 105,919.80, 146,171.84 and 58,174.16

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Solution

The fourth proportional to 105,919.80, 146,171.84 and 58,174.16 is: 80,281.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,919.80 : 146,171.84 = 58,174.16 : x
  2. Step 2: Convert to fraction form
    105,919.80/146,171.84 = 58,174.16/x
  3. Step 3: Cross multiply
    105,919.80x = 146,171.84 × 58,174.16
  4. Step 4: Simplify right side
    105,919.80x = 8,503,424,007.65
  5. Step 5: Solve for x
    x = 8,503,424,007.65/105,919.80
  6. Step 6: Final answer
    x = 80,281.72

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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.