Home / 142,771.78-214,161.13-48,003.20

Finding the Fourth Proportional to 142,771.78, 214,161.13 and 48,003.20

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Solution

The fourth proportional to 142,771.78, 214,161.13 and 48,003.20 is: 72,005.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,771.78 : 214,161.13 = 48,003.20 : x
  2. Step 2: Convert to fraction form
    142,771.78/214,161.13 = 48,003.20/x
  3. Step 3: Cross multiply
    142,771.78x = 214,161.13 × 48,003.20
  4. Step 4: Simplify right side
    142,771.78x = 10,280,419,347.92
  5. Step 5: Solve for x
    x = 10,280,419,347.92/142,771.78
  6. Step 6: Final answer
    x = 72,005.96

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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.