Home / 251,098.90-346,576.26-143,730.97

Finding the Fourth Proportional to 251,098.90, 346,576.26 and 143,730.97

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Solution

The fourth proportional to 251,098.90, 346,576.26 and 143,730.97 is: 198,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,098.90 : 346,576.26 = 143,730.97 : x
  2. Step 2: Convert to fraction form
    251,098.90/346,576.26 = 143,730.97/x
  3. Step 3: Cross multiply
    251,098.90x = 346,576.26 × 143,730.97
  4. Step 4: Simplify right side
    251,098.90x = 49,813,742,028.77
  5. Step 5: Solve for x
    x = 49,813,742,028.77/251,098.90
  6. Step 6: Final answer
    x = 198,382.96

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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.