Home / 203,169.04-304,815.96-90,943.84

Finding the Fourth Proportional to 203,169.04, 304,815.96 and 90,943.84

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Solution

The fourth proportional to 203,169.04, 304,815.96 and 90,943.84 is: 136,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,169.04 : 304,815.96 = 90,943.84 : x
  2. Step 2: Convert to fraction form
    203,169.04/304,815.96 = 90,943.84/x
  3. Step 3: Cross multiply
    203,169.04x = 304,815.96 × 90,943.84
  4. Step 4: Simplify right side
    203,169.04x = 27,721,133,895.69
  5. Step 5: Solve for x
    x = 27,721,133,895.69/203,169.04
  6. Step 6: Final answer
    x = 136,443.69

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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.