Home / 102,872.87-141,993.09-59,860.65

Finding the Fourth Proportional to 102,872.87, 141,993.09 and 59,860.65

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Solution

The fourth proportional to 102,872.87, 141,993.09 and 59,860.65 is: 82,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,872.87 : 141,993.09 = 59,860.65 : x
  2. Step 2: Convert to fraction form
    102,872.87/141,993.09 = 59,860.65/x
  3. Step 3: Cross multiply
    102,872.87x = 141,993.09 × 59,860.65
  4. Step 4: Simplify right side
    102,872.87x = 8,499,798,662.91
  5. Step 5: Solve for x
    x = 8,499,798,662.91/102,872.87
  6. Step 6: Final answer
    x = 82,624.30

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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.