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Finding the Fourth Proportional to 201,151.79, 301,703.75 and 66,182.39

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Solution

The fourth proportional to 201,151.79, 301,703.75 and 66,182.39 is: 99,265.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,151.79 : 301,703.75 = 66,182.39 : x
  2. Step 2: Convert to fraction form
    201,151.79/301,703.75 = 66,182.39/x
  3. Step 3: Cross multiply
    201,151.79x = 301,703.75 × 66,182.39
  4. Step 4: Simplify right side
    201,151.79x = 19,967,475,246.96
  5. Step 5: Solve for x
    x = 19,967,475,246.96/201,151.79
  6. Step 6: Final answer
    x = 99,265.71

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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.