Home / 203,387.46-304,951.59-91,102.02

Finding the Fourth Proportional to 203,387.46, 304,951.59 and 91,102.02

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Solution

The fourth proportional to 203,387.46, 304,951.59 and 91,102.02 is: 136,594.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,387.46 : 304,951.59 = 91,102.02 : x
  2. Step 2: Convert to fraction form
    203,387.46/304,951.59 = 91,102.02/x
  3. Step 3: Cross multiply
    203,387.46x = 304,951.59 × 91,102.02
  4. Step 4: Simplify right side
    203,387.46x = 27,781,705,851.21
  5. Step 5: Solve for x
    x = 27,781,705,851.21/203,387.46
  6. Step 6: Final answer
    x = 136,594.98

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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.