Home / 133,066.54-183,625.17-72,639.73

Finding the Fourth Proportional to 133,066.54, 183,625.17 and 72,639.73

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Solution

The fourth proportional to 133,066.54, 183,625.17 and 72,639.73 is: 100,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,066.54 : 183,625.17 = 72,639.73 : x
  2. Step 2: Convert to fraction form
    133,066.54/183,625.17 = 72,639.73/x
  3. Step 3: Cross multiply
    133,066.54x = 183,625.17 × 72,639.73
  4. Step 4: Simplify right side
    133,066.54x = 13,338,482,770.00
  5. Step 5: Solve for x
    x = 13,338,482,770.00/133,066.54
  6. Step 6: Final answer
    x = 100,239.19

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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.