Home / 206,861.32-310,285.78-57,110.75

Finding the Fourth Proportional to 206,861.32, 310,285.78 and 57,110.75

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Solution

The fourth proportional to 206,861.32, 310,285.78 and 57,110.75 is: 85,664.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,861.32 : 310,285.78 = 57,110.75 : x
  2. Step 2: Convert to fraction form
    206,861.32/310,285.78 = 57,110.75/x
  3. Step 3: Cross multiply
    206,861.32x = 310,285.78 × 57,110.75
  4. Step 4: Simplify right side
    206,861.32x = 17,720,651,915.93
  5. Step 5: Solve for x
    x = 17,720,651,915.93/206,861.32
  6. Step 6: Final answer
    x = 85,664.41

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1.5x scale

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.