Home / 102,340.94-141,234.39-59,321.84

Finding the Fourth Proportional to 102,340.94, 141,234.39 and 59,321.84

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Solution

The fourth proportional to 102,340.94, 141,234.39 and 59,321.84 is: 81,866.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,340.94 : 141,234.39 = 59,321.84 : x
  2. Step 2: Convert to fraction form
    102,340.94/141,234.39 = 59,321.84/x
  3. Step 3: Cross multiply
    102,340.94x = 141,234.39 × 59,321.84
  4. Step 4: Simplify right side
    102,340.94x = 8,378,283,179.91
  5. Step 5: Solve for x
    x = 8,378,283,179.91/102,340.94
  6. Step 6: Final answer
    x = 81,866.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.