Home / 220,562.06-304,278.03-135,628.94

Finding the Fourth Proportional to 220,562.06, 304,278.03 and 135,628.94

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Solution

The fourth proportional to 220,562.06, 304,278.03 and 135,628.94 is: 187,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,562.06 : 304,278.03 = 135,628.94 : x
  2. Step 2: Convert to fraction form
    220,562.06/304,278.03 = 135,628.94/x
  3. Step 3: Cross multiply
    220,562.06x = 304,278.03 × 135,628.94
  4. Step 4: Simplify right side
    220,562.06x = 41,268,906,674.19
  5. Step 5: Solve for x
    x = 41,268,906,674.19/220,562.06
  6. Step 6: Final answer
    x = 187,107.91

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1.5x scale

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.