Home / 186,311.61-279,471.99-67,982.91

Finding the Fourth Proportional to 186,311.61, 279,471.99 and 67,982.91

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Solution

The fourth proportional to 186,311.61, 279,471.99 and 67,982.91 is: 101,976.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,311.61 : 279,471.99 = 67,982.91 : x
  2. Step 2: Convert to fraction form
    186,311.61/279,471.99 = 67,982.91/x
  3. Step 3: Cross multiply
    186,311.61x = 279,471.99 × 67,982.91
  4. Step 4: Simplify right side
    186,311.61x = 18,999,319,143.69
  5. Step 5: Solve for x
    x = 18,999,319,143.69/186,311.61
  6. Step 6: Final answer
    x = 101,976.03

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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.