Home / 115,204.50-172,874.79-48,640.32

Finding the Fourth Proportional to 115,204.50, 172,874.79 and 48,640.32

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Solution

The fourth proportional to 115,204.50, 172,874.79 and 48,640.32 is: 72,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,204.50 : 172,874.79 = 48,640.32 : x
  2. Step 2: Convert to fraction form
    115,204.50/172,874.79 = 48,640.32/x
  3. Step 3: Cross multiply
    115,204.50x = 172,874.79 × 48,640.32
  4. Step 4: Simplify right side
    115,204.50x = 8,408,685,105.53
  5. Step 5: Solve for x
    x = 8,408,685,105.53/115,204.50
  6. Step 6: Final answer
    x = 72,989.21

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1.5x scale

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.