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Finding the Fourth Proportional to 159,288.54, 219,806.79 and 94,754.22

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Solution

The fourth proportional to 159,288.54, 219,806.79 and 94,754.22 is: 130,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,288.54 : 219,806.79 = 94,754.22 : x
  2. Step 2: Convert to fraction form
    159,288.54/219,806.79 = 94,754.22/x
  3. Step 3: Cross multiply
    159,288.54x = 219,806.79 × 94,754.22
  4. Step 4: Simplify right side
    159,288.54x = 20,827,620,937.15
  5. Step 5: Solve for x
    x = 20,827,620,937.15/159,288.54
  6. Step 6: Final answer
    x = 130,754.05

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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.