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Finding the Fourth Proportional to 117,611.20, 176,125.20 and 94,283.20

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Solution

The fourth proportional to 117,611.20, 176,125.20 and 94,283.20 is: 141,191.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,611.20 : 176,125.20 = 94,283.20 : x
  2. Step 2: Convert to fraction form
    117,611.20/176,125.20 = 94,283.20/x
  3. Step 3: Cross multiply
    117,611.20x = 176,125.20 × 94,283.20
  4. Step 4: Simplify right side
    117,611.20x = 16,605,647,456.64
  5. Step 5: Solve for x
    x = 16,605,647,456.64/117,611.20
  6. Step 6: Final answer
    x = 141,191.04

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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.