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Finding the Fourth Proportional to 133,479.60, 200,219.40 and 121,232.40

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Solution

The fourth proportional to 133,479.60, 200,219.40 and 121,232.40 is: 181,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,479.60 : 200,219.40 = 121,232.40 : x
  2. Step 2: Convert to fraction form
    133,479.60/200,219.40 = 121,232.40/x
  3. Step 3: Cross multiply
    133,479.60x = 200,219.40 × 121,232.40
  4. Step 4: Simplify right side
    133,479.60x = 24,273,078,388.56
  5. Step 5: Solve for x
    x = 24,273,078,388.56/133,479.60
  6. Step 6: Final answer
    x = 181,848.60

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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.