Home / 238,892.19-358,340.09-87,198

Finding the Fourth Proportional to 238,892.19, 358,340.09 and 87,198

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Solution

The fourth proportional to 238,892.19, 358,340.09 and 87,198 is: 130,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,892.19 : 358,340.09 = 87,198 : x
  2. Step 2: Convert to fraction form
    238,892.19/358,340.09 = 87,198/x
  3. Step 3: Cross multiply
    238,892.19x = 358,340.09 × 87,198
  4. Step 4: Simplify right side
    238,892.19x = 31,246,539,167.82
  5. Step 5: Solve for x
    x = 31,246,539,167.82/238,892.19
  6. Step 6: Final answer
    x = 130,797.66

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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.