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Finding the Fourth Proportional to 133,339.20, 200,008.80 and 83,475.60

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Solution

The fourth proportional to 133,339.20, 200,008.80 and 83,475.60 is: 125,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,339.20 : 200,008.80 = 83,475.60 : x
  2. Step 2: Convert to fraction form
    133,339.20/200,008.80 = 83,475.60/x
  3. Step 3: Cross multiply
    133,339.20x = 200,008.80 × 83,475.60
  4. Step 4: Simplify right side
    133,339.20x = 16,695,854,585.28
  5. Step 5: Solve for x
    x = 16,695,854,585.28/133,339.20
  6. Step 6: Final answer
    x = 125,213.40

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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.