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Finding the Fourth Proportional to 133,833.76, 200,718 and 45,064.16

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Solution

The fourth proportional to 133,833.76, 200,718 and 45,064.16 is: 67,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,833.76 : 200,718 = 45,064.16 : x
  2. Step 2: Convert to fraction form
    133,833.76/200,718 = 45,064.16/x
  3. Step 3: Cross multiply
    133,833.76x = 200,718 × 45,064.16
  4. Step 4: Simplify right side
    133,833.76x = 9,045,188,066.88
  5. Step 5: Solve for x
    x = 9,045,188,066.88/133,833.76
  6. Step 6: Final answer
    x = 67,585.25

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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.