Home / 87,234.88-130,653.02-52,102.48

Finding the Fourth Proportional to 87,234.88, 130,653.02 and 52,102.48

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Solution

The fourth proportional to 87,234.88, 130,653.02 and 52,102.48 is: 78,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,234.88 : 130,653.02 = 52,102.48 : x
  2. Step 2: Convert to fraction form
    87,234.88/130,653.02 = 52,102.48/x
  3. Step 3: Cross multiply
    87,234.88x = 130,653.02 × 52,102.48
  4. Step 4: Simplify right side
    87,234.88x = 6,807,346,361.49
  5. Step 5: Solve for x
    x = 6,807,346,361.49/87,234.88
  6. Step 6: Final answer
    x = 78,034.68

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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.