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Finding the Fourth Proportional to 133,262.29, 183,901.66 and 75,901.60

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Solution

The fourth proportional to 133,262.29, 183,901.66 and 75,901.60 is: 104,744.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,262.29 : 183,901.66 = 75,901.60 : x
  2. Step 2: Convert to fraction form
    133,262.29/183,901.66 = 75,901.60/x
  3. Step 3: Cross multiply
    133,262.29x = 183,901.66 × 75,901.60
  4. Step 4: Simplify right side
    133,262.29x = 13,958,430,276.78
  5. Step 5: Solve for x
    x = 13,958,430,276.78/133,262.29
  6. Step 6: Final answer
    x = 104,744.04

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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.