Home / 112,956.20-169,344.38-55,990.01

Finding the Fourth Proportional to 112,956.20, 169,344.38 and 55,990.01

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Solution

The fourth proportional to 112,956.20, 169,344.38 and 55,990.01 is: 83,940.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,956.20 : 169,344.38 = 55,990.01 : x
  2. Step 2: Convert to fraction form
    112,956.20/169,344.38 = 55,990.01/x
  3. Step 3: Cross multiply
    112,956.20x = 169,344.38 × 55,990.01
  4. Step 4: Simplify right side
    112,956.20x = 9,481,592,402.97
  5. Step 5: Solve for x
    x = 9,481,592,402.97/112,956.20
  6. Step 6: Final answer
    x = 83,940.44

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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.