Home / 248,890.70-373,336.05-136,916.30

Finding the Fourth Proportional to 248,890.70, 373,336.05 and 136,916.30

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Solution

The fourth proportional to 248,890.70, 373,336.05 and 136,916.30 is: 205,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,890.70 : 373,336.05 = 136,916.30 : x
  2. Step 2: Convert to fraction form
    248,890.70/373,336.05 = 136,916.30/x
  3. Step 3: Cross multiply
    248,890.70x = 373,336.05 × 136,916.30
  4. Step 4: Simplify right side
    248,890.70x = 51,115,790,622.62
  5. Step 5: Solve for x
    x = 51,115,790,622.62/248,890.70
  6. Step 6: Final answer
    x = 205,374.45

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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.