Home / 105,952.87-146,217.63-58,210.66

Finding the Fourth Proportional to 105,952.87, 146,217.63 and 58,210.66

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Solution

The fourth proportional to 105,952.87, 146,217.63 and 58,210.66 is: 80,332.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,952.87 : 146,217.63 = 58,210.66 : x
  2. Step 2: Convert to fraction form
    105,952.87/146,217.63 = 58,210.66/x
  3. Step 3: Cross multiply
    105,952.87x = 146,217.63 × 58,210.66
  4. Step 4: Simplify right side
    105,952.87x = 8,511,424,745.94
  5. Step 5: Solve for x
    x = 8,511,424,745.94/105,952.87
  6. Step 6: Final answer
    x = 80,332.18

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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.