Home / 206,589.32-310,015.06-88,261.55

Finding the Fourth Proportional to 206,589.32, 310,015.06 and 88,261.55

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Solution

The fourth proportional to 206,589.32, 310,015.06 and 88,261.55 is: 132,448.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,589.32 : 310,015.06 = 88,261.55 : x
  2. Step 2: Convert to fraction form
    206,589.32/310,015.06 = 88,261.55/x
  3. Step 3: Cross multiply
    206,589.32x = 310,015.06 × 88,261.55
  4. Step 4: Simplify right side
    206,589.32x = 27,362,409,718.94
  5. Step 5: Solve for x
    x = 27,362,409,718.94/206,589.32
  6. Step 6: Final answer
    x = 132,448.33

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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.