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Finding the Fourth Proportional to 133,725.88, 200,602.14 and 49,508.56

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Solution

The fourth proportional to 133,725.88, 200,602.14 and 49,508.56 is: 74,267.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,725.88 : 200,602.14 = 49,508.56 : x
  2. Step 2: Convert to fraction form
    133,725.88/200,602.14 = 49,508.56/x
  3. Step 3: Cross multiply
    133,725.88x = 200,602.14 × 49,508.56
  4. Step 4: Simplify right side
    133,725.88x = 9,931,523,084.32
  5. Step 5: Solve for x
    x = 9,931,523,084.32/133,725.88
  6. Step 6: Final answer
    x = 74,267.77

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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.