Home / 192,723.80-289,085.70-52,482.20

Finding the Fourth Proportional to 192,723.80, 289,085.70 and 52,482.20

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Solution

The fourth proportional to 192,723.80, 289,085.70 and 52,482.20 is: 78,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,723.80 : 289,085.70 = 52,482.20 : x
  2. Step 2: Convert to fraction form
    192,723.80/289,085.70 = 52,482.20/x
  3. Step 3: Cross multiply
    192,723.80x = 289,085.70 × 52,482.20
  4. Step 4: Simplify right side
    192,723.80x = 15,171,853,524.54
  5. Step 5: Solve for x
    x = 15,171,853,524.54/192,723.80
  6. Step 6: Final answer
    x = 78,723.30

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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.