Home / 269,004.20-403,463.10-81,972.20

Finding the Fourth Proportional to 269,004.20, 403,463.10 and 81,972.20

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Solution

The fourth proportional to 269,004.20, 403,463.10 and 81,972.20 is: 122,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,004.20 : 403,463.10 = 81,972.20 : x
  2. Step 2: Convert to fraction form
    269,004.20/403,463.10 = 81,972.20/x
  3. Step 3: Cross multiply
    269,004.20x = 403,463.10 × 81,972.20
  4. Step 4: Simplify right side
    269,004.20x = 33,072,757,925.82
  5. Step 5: Solve for x
    x = 33,072,757,925.82/269,004.20
  6. Step 6: Final answer
    x = 122,945.14

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1.5x scale

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.