Home / 131,800.20-181,887.33-75,216.84

Finding the Fourth Proportional to 131,800.20, 181,887.33 and 75,216.84

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Solution

The fourth proportional to 131,800.20, 181,887.33 and 75,216.84 is: 103,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,800.20 : 181,887.33 = 75,216.84 : x
  2. Step 2: Convert to fraction form
    131,800.20/181,887.33 = 75,216.84/x
  3. Step 3: Cross multiply
    131,800.20x = 181,887.33 × 75,216.84
  4. Step 4: Simplify right side
    131,800.20x = 13,680,990,198.64
  5. Step 5: Solve for x
    x = 13,680,990,198.64/131,800.20
  6. Step 6: Final answer
    x = 103,800.98

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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.