Home / 105,821.92-146,011.44-61,084

Finding the Fourth Proportional to 105,821.92, 146,011.44 and 61,084

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Solution

The fourth proportional to 105,821.92, 146,011.44 and 61,084 is: 84,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,821.92 : 146,011.44 = 61,084 : x
  2. Step 2: Convert to fraction form
    105,821.92/146,011.44 = 61,084/x
  3. Step 3: Cross multiply
    105,821.92x = 146,011.44 × 61,084
  4. Step 4: Simplify right side
    105,821.92x = 8,918,962,800.96
  5. Step 5: Solve for x
    x = 8,918,962,800.96/105,821.92
  6. Step 6: Final answer
    x = 84,282.75

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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.