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Finding the Fourth Proportional to 148,266.71, 204,622.70 and 84,614.07

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Solution

The fourth proportional to 148,266.71, 204,622.70 and 84,614.07 is: 116,775.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,266.71 : 204,622.70 = 84,614.07 : x
  2. Step 2: Convert to fraction form
    148,266.71/204,622.70 = 84,614.07/x
  3. Step 3: Cross multiply
    148,266.71x = 204,622.70 × 84,614.07
  4. Step 4: Simplify right side
    148,266.71x = 17,313,959,672.92
  5. Step 5: Solve for x
    x = 17,313,959,672.92/148,266.71
  6. Step 6: Final answer
    x = 116,775.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.