Home / 133,169.04-183,778.76-76,580.41

Finding the Fourth Proportional to 133,169.04, 183,778.76 and 76,580.41

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Solution

The fourth proportional to 133,169.04, 183,778.76 and 76,580.41 is: 105,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,169.04 : 183,778.76 = 76,580.41 : x
  2. Step 2: Convert to fraction form
    133,169.04/183,778.76 = 76,580.41/x
  3. Step 3: Cross multiply
    133,169.04x = 183,778.76 × 76,580.41
  4. Step 4: Simplify right side
    133,169.04x = 14,073,852,790.09
  5. Step 5: Solve for x
    x = 14,073,852,790.09/133,169.04
  6. Step 6: Final answer
    x = 105,684.12

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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.