Home / 238,780.74-329,518.18-131,358.94

Finding the Fourth Proportional to 238,780.74, 329,518.18 and 131,358.94

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Solution

The fourth proportional to 238,780.74, 329,518.18 and 131,358.94 is: 181,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,780.74 : 329,518.18 = 131,358.94 : x
  2. Step 2: Convert to fraction form
    238,780.74/329,518.18 = 131,358.94/x
  3. Step 3: Cross multiply
    238,780.74x = 329,518.18 × 131,358.94
  4. Step 4: Simplify right side
    238,780.74x = 43,285,158,835.53
  5. Step 5: Solve for x
    x = 43,285,158,835.53/238,780.74
  6. Step 6: Final answer
    x = 181,275.75

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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.