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Finding the Fourth Proportional to 133,049.63, 183,608.49 and 90,682.17

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Solution

The fourth proportional to 133,049.63, 183,608.49 and 90,682.17 is: 125,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,049.63 : 183,608.49 = 90,682.17 : x
  2. Step 2: Convert to fraction form
    133,049.63/183,608.49 = 90,682.17/x
  3. Step 3: Cross multiply
    133,049.63x = 183,608.49 × 90,682.17
  4. Step 4: Simplify right side
    133,049.63x = 16,650,016,303.62
  5. Step 5: Solve for x
    x = 16,650,016,303.62/133,049.63
  6. Step 6: Final answer
    x = 125,141.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.