Home / 137,712.10-206,604.60-48,956.35

Finding the Fourth Proportional to 137,712.10, 206,604.60 and 48,956.35

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Solution

The fourth proportional to 137,712.10, 206,604.60 and 48,956.35 is: 73,447.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,712.10 : 206,604.60 = 48,956.35 : x
  2. Step 2: Convert to fraction form
    137,712.10/206,604.60 = 48,956.35/x
  3. Step 3: Cross multiply
    137,712.10x = 206,604.60 × 48,956.35
  4. Step 4: Simplify right side
    137,712.10x = 10,114,607,109.21
  5. Step 5: Solve for x
    x = 10,114,607,109.21/137,712.10
  6. Step 6: Final answer
    x = 73,447.48

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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.