Home / 137,378.10-206,103.60-48,622.35

Finding the Fourth Proportional to 137,378.10, 206,103.60 and 48,622.35

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Solution

The fourth proportional to 137,378.10, 206,103.60 and 48,622.35 is: 72,946.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,378.10 : 206,103.60 = 48,622.35 : x
  2. Step 2: Convert to fraction form
    137,378.10/206,103.60 = 48,622.35/x
  3. Step 3: Cross multiply
    137,378.10x = 206,103.60 × 48,622.35
  4. Step 4: Simplify right side
    137,378.10x = 10,021,241,375.46
  5. Step 5: Solve for x
    x = 10,021,241,375.46/137,378.10
  6. Step 6: Final answer
    x = 72,946.43

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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.