Home / 202,089.12-303,134.69-52,318.90

Finding the Fourth Proportional to 202,089.12, 303,134.69 and 52,318.90

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Solution

The fourth proportional to 202,089.12, 303,134.69 and 52,318.90 is: 78,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,089.12 : 303,134.69 = 52,318.90 : x
  2. Step 2: Convert to fraction form
    202,089.12/303,134.69 = 52,318.90/x
  3. Step 3: Cross multiply
    202,089.12x = 303,134.69 × 52,318.90
  4. Step 4: Simplify right side
    202,089.12x = 15,859,673,532.64
  5. Step 5: Solve for x
    x = 15,859,673,532.64/202,089.12
  6. Step 6: Final answer
    x = 78,478.61

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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.