Home / 137,943.90-206,915.85-49,200.30

Finding the Fourth Proportional to 137,943.90, 206,915.85 and 49,200.30

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Solution

The fourth proportional to 137,943.90, 206,915.85 and 49,200.30 is: 73,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,943.90 : 206,915.85 = 49,200.30 : x
  2. Step 2: Convert to fraction form
    137,943.90/206,915.85 = 49,200.30/x
  3. Step 3: Cross multiply
    137,943.90x = 206,915.85 × 49,200.30
  4. Step 4: Simplify right side
    137,943.90x = 10,180,321,894.76
  5. Step 5: Solve for x
    x = 10,180,321,894.76/137,943.90
  6. Step 6: Final answer
    x = 73,800.45

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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.