Home / 204,923.30-307,384.95-138,001.10

Finding the Fourth Proportional to 204,923.30, 307,384.95 and 138,001.10

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Solution

The fourth proportional to 204,923.30, 307,384.95 and 138,001.10 is: 207,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,923.30 : 307,384.95 = 138,001.10 : x
  2. Step 2: Convert to fraction form
    204,923.30/307,384.95 = 138,001.10/x
  3. Step 3: Cross multiply
    204,923.30x = 307,384.95 × 138,001.10
  4. Step 4: Simplify right side
    204,923.30x = 42,419,461,223.45
  5. Step 5: Solve for x
    x = 42,419,461,223.45/204,923.30
  6. Step 6: Final answer
    x = 207,001.65

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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.