Home / 158,977.50-238,154.58-92,277.78

Finding the Fourth Proportional to 158,977.50, 238,154.58 and 92,277.78

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Solution

The fourth proportional to 158,977.50, 238,154.58 and 92,277.78 is: 138,235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,977.50 : 238,154.58 = 92,277.78 : x
  2. Step 2: Convert to fraction form
    158,977.50/238,154.58 = 92,277.78/x
  3. Step 3: Cross multiply
    158,977.50x = 238,154.58 × 92,277.78
  4. Step 4: Simplify right side
    158,977.50x = 21,976,375,939.23
  5. Step 5: Solve for x
    x = 21,976,375,939.23/158,977.50
  6. Step 6: Final answer
    x = 138,235.76

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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.