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Finding the Fourth Proportional to 133,477.60, 200,410.80 and 103,928.80

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Solution

The fourth proportional to 133,477.60, 200,410.80 and 103,928.80 is: 156,044.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,477.60 : 200,410.80 = 103,928.80 : x
  2. Step 2: Convert to fraction form
    133,477.60/200,410.80 = 103,928.80/x
  3. Step 3: Cross multiply
    133,477.60x = 200,410.80 × 103,928.80
  4. Step 4: Simplify right side
    133,477.60x = 20,828,453,951.04
  5. Step 5: Solve for x
    x = 20,828,453,951.04/133,477.60
  6. Step 6: Final answer
    x = 156,044.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.