Home / 221,964.06-306,240.62-135,833.25

Finding the Fourth Proportional to 221,964.06, 306,240.62 and 135,833.25

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Solution

The fourth proportional to 221,964.06, 306,240.62 and 135,833.25 is: 187,407.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,964.06 : 306,240.62 = 135,833.25 : x
  2. Step 2: Convert to fraction form
    221,964.06/306,240.62 = 135,833.25/x
  3. Step 3: Cross multiply
    221,964.06x = 306,240.62 × 135,833.25
  4. Step 4: Simplify right side
    221,964.06x = 41,597,658,017.45
  5. Step 5: Solve for x
    x = 41,597,658,017.45/221,964.06
  6. Step 6: Final answer
    x = 187,407.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.