Home / 238,651.45-329,340.23-131,228.44

Finding the Fourth Proportional to 238,651.45, 329,340.23 and 131,228.44

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Solution

The fourth proportional to 238,651.45, 329,340.23 and 131,228.44 is: 181,095.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,651.45 : 329,340.23 = 131,228.44 : x
  2. Step 2: Convert to fraction form
    238,651.45/329,340.23 = 131,228.44/x
  3. Step 3: Cross multiply
    238,651.45x = 329,340.23 × 131,228.44
  4. Step 4: Simplify right side
    238,651.45x = 43,218,803,624.76
  5. Step 5: Solve for x
    x = 43,218,803,624.76/238,651.45
  6. Step 6: Final answer
    x = 181,095.92

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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.