Home / 206,125.16-310,591.76-169,505.48

Finding the Fourth Proportional to 206,125.16, 310,591.76 and 169,505.48

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Solution

The fourth proportional to 206,125.16, 310,591.76 and 169,505.48 is: 255,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,125.16 : 310,591.76 = 169,505.48 : x
  2. Step 2: Convert to fraction form
    206,125.16/310,591.76 = 169,505.48/x
  3. Step 3: Cross multiply
    206,125.16x = 310,591.76 × 169,505.48
  4. Step 4: Simplify right side
    206,125.16x = 52,647,005,362.84
  5. Step 5: Solve for x
    x = 52,647,005,362.84/206,125.16
  6. Step 6: Final answer
    x = 255,412.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.