Home / 133,092.05-183,667.97-72,663.89

Finding the Fourth Proportional to 133,092.05, 183,667.97 and 72,663.89

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Solution

The fourth proportional to 133,092.05, 183,667.97 and 72,663.89 is: 100,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,092.05 : 183,667.97 = 72,663.89 : x
  2. Step 2: Convert to fraction form
    133,092.05/183,667.97 = 72,663.89/x
  3. Step 3: Cross multiply
    133,092.05x = 183,667.97 × 72,663.89
  4. Step 4: Simplify right side
    133,092.05x = 13,346,028,431.92
  5. Step 5: Solve for x
    x = 13,346,028,431.92/133,092.05
  6. Step 6: Final answer
    x = 100,276.68

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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.