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Finding the Fourth Proportional to 117,763.61, 176,618.87 and 33,521.90

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Solution

The fourth proportional to 117,763.61, 176,618.87 and 33,521.90 is: 50,275.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,763.61 : 176,618.87 = 33,521.90 : x
  2. Step 2: Convert to fraction form
    117,763.61/176,618.87 = 33,521.90/x
  3. Step 3: Cross multiply
    117,763.61x = 176,618.87 × 33,521.90
  4. Step 4: Simplify right side
    117,763.61x = 5,920,599,047.55
  5. Step 5: Solve for x
    x = 5,920,599,047.55/117,763.61
  6. Step 6: Final answer
    x = 50,275.29

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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.