Home / 87,261.19-130,816.82-30,327.70

Finding the Fourth Proportional to 87,261.19, 130,816.82 and 30,327.70

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Solution

The fourth proportional to 87,261.19, 130,816.82 and 30,327.70 is: 45,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,261.19 : 130,816.82 = 30,327.70 : x
  2. Step 2: Convert to fraction form
    87,261.19/130,816.82 = 30,327.70/x
  3. Step 3: Cross multiply
    87,261.19x = 130,816.82 × 30,327.70
  4. Step 4: Simplify right side
    87,261.19x = 3,967,372,793.23
  5. Step 5: Solve for x
    x = 3,967,372,793.23/87,261.19
  6. Step 6: Final answer
    x = 45,465.49

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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.