Home / 87,087.94-130,600.56-30,146.37

Finding the Fourth Proportional to 87,087.94, 130,600.56 and 30,146.37

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Solution

The fourth proportional to 87,087.94, 130,600.56 and 30,146.37 is: 45,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,087.94 : 130,600.56 = 30,146.37 : x
  2. Step 2: Convert to fraction form
    87,087.94/130,600.56 = 30,146.37/x
  3. Step 3: Cross multiply
    87,087.94x = 130,600.56 × 30,146.37
  4. Step 4: Simplify right side
    87,087.94x = 3,937,132,803.97
  5. Step 5: Solve for x
    x = 3,937,132,803.97/87,087.94
  6. Step 6: Final answer
    x = 45,208.70

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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.