Home / 206,883.30-310,382.55-101,705.70

Finding the Fourth Proportional to 206,883.30, 310,382.55 and 101,705.70

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Solution

The fourth proportional to 206,883.30, 310,382.55 and 101,705.70 is: 152,586.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,883.30 : 310,382.55 = 101,705.70 : x
  2. Step 2: Convert to fraction form
    206,883.30/310,382.55 = 101,705.70/x
  3. Step 3: Cross multiply
    206,883.30x = 310,382.55 × 101,705.70
  4. Step 4: Simplify right side
    206,883.30x = 31,567,674,515.54
  5. Step 5: Solve for x
    x = 31,567,674,515.54/206,883.30
  6. Step 6: Final answer
    x = 152,586.87

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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.