Home / 87,383.53-130,793.35-45,205.54

Finding the Fourth Proportional to 87,383.53, 130,793.35 and 45,205.54

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Solution

The fourth proportional to 87,383.53, 130,793.35 and 45,205.54 is: 67,662.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,383.53 : 130,793.35 = 45,205.54 : x
  2. Step 2: Convert to fraction form
    87,383.53/130,793.35 = 45,205.54/x
  3. Step 3: Cross multiply
    87,383.53x = 130,793.35 × 45,205.54
  4. Step 4: Simplify right side
    87,383.53x = 5,912,584,395.63
  5. Step 5: Solve for x
    x = 5,912,584,395.63/87,383.53
  6. Step 6: Final answer
    x = 67,662.46

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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.