Home / 133,063.75-183,632.42-72,637.97

Finding the Fourth Proportional to 133,063.75, 183,632.42 and 72,637.97

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Solution

The fourth proportional to 133,063.75, 183,632.42 and 72,637.97 is: 100,242.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,063.75 : 183,632.42 = 72,637.97 : x
  2. Step 2: Convert to fraction form
    133,063.75/183,632.42 = 72,637.97/x
  3. Step 3: Cross multiply
    133,063.75x = 183,632.42 × 72,637.97
  4. Step 4: Simplify right side
    133,063.75x = 13,338,686,214.99
  5. Step 5: Solve for x
    x = 13,338,686,214.99/133,063.75
  6. Step 6: Final answer
    x = 100,242.83

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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.