Home / 203,181.18-304,791.81-70,043.91

Finding the Fourth Proportional to 203,181.18, 304,791.81 and 70,043.91

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Solution

The fourth proportional to 203,181.18, 304,791.81 and 70,043.91 is: 105,072.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,181.18 : 304,791.81 = 70,043.91 : x
  2. Step 2: Convert to fraction form
    203,181.18/304,791.81 = 70,043.91/x
  3. Step 3: Cross multiply
    203,181.18x = 304,791.81 × 70,043.91
  4. Step 4: Simplify right side
    203,181.18x = 21,348,810,108.38
  5. Step 5: Solve for x
    x = 21,348,810,108.38/203,181.18
  6. Step 6: Final answer
    x = 105,072.77

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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.