Home / 192,947.56-266,265.30-112,388.20

Finding the Fourth Proportional to 192,947.56, 266,265.30 and 112,388.20

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Solution

The fourth proportional to 192,947.56, 266,265.30 and 112,388.20 is: 155,094.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,947.56 : 266,265.30 = 112,388.20 : x
  2. Step 2: Convert to fraction form
    192,947.56/266,265.30 = 112,388.20/x
  3. Step 3: Cross multiply
    192,947.56x = 266,265.30 × 112,388.20
  4. Step 4: Simplify right side
    192,947.56x = 29,925,077,789.46
  5. Step 5: Solve for x
    x = 29,925,077,789.46/192,947.56
  6. Step 6: Final answer
    x = 155,094.36

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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.