Home / 202,639.12-303,912.22-76,292.50

Finding the Fourth Proportional to 202,639.12, 303,912.22 and 76,292.50

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Solution

The fourth proportional to 202,639.12, 303,912.22 and 76,292.50 is: 114,421.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,639.12 : 303,912.22 = 76,292.50 : x
  2. Step 2: Convert to fraction form
    202,639.12/303,912.22 = 76,292.50/x
  3. Step 3: Cross multiply
    202,639.12x = 303,912.22 × 76,292.50
  4. Step 4: Simplify right side
    202,639.12x = 23,186,223,044.35
  5. Step 5: Solve for x
    x = 23,186,223,044.35/202,639.12
  6. Step 6: Final answer
    x = 114,421.26

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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.