Home / 133,199.20-183,827.56-72,778.92

Finding the Fourth Proportional to 133,199.20, 183,827.56 and 72,778.92

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Solution

The fourth proportional to 133,199.20, 183,827.56 and 72,778.92 is: 100,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,199.20 : 183,827.56 = 72,778.92 : x
  2. Step 2: Convert to fraction form
    133,199.20/183,827.56 = 72,778.92/x
  3. Step 3: Cross multiply
    133,199.20x = 183,827.56 × 72,778.92
  4. Step 4: Simplify right side
    133,199.20x = 13,378,771,283.04
  5. Step 5: Solve for x
    x = 13,378,771,283.04/133,199.20
  6. Step 6: Final answer
    x = 100,441.83

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1.5x scale

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.