Home / 100,864.09-151,252.35-34,286.32

Finding the Fourth Proportional to 100,864.09, 151,252.35 and 34,286.32

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Solution

The fourth proportional to 100,864.09, 151,252.35 and 34,286.32 is: 51,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,864.09 : 151,252.35 = 34,286.32 : x
  2. Step 2: Convert to fraction form
    100,864.09/151,252.35 = 34,286.32/x
  3. Step 3: Cross multiply
    100,864.09x = 151,252.35 × 34,286.32
  4. Step 4: Simplify right side
    100,864.09x = 5,185,886,472.85
  5. Step 5: Solve for x
    x = 5,185,886,472.85/100,864.09
  6. Step 6: Final answer
    x = 51,414.60

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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.