Home / 202,292.90-303,439.35-131,434.10

Finding the Fourth Proportional to 202,292.90, 303,439.35 and 131,434.10

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Solution

The fourth proportional to 202,292.90, 303,439.35 and 131,434.10 is: 197,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,292.90 : 303,439.35 = 131,434.10 : x
  2. Step 2: Convert to fraction form
    202,292.90/303,439.35 = 131,434.10/x
  3. Step 3: Cross multiply
    202,292.90x = 303,439.35 × 131,434.10
  4. Step 4: Simplify right side
    202,292.90x = 39,882,277,871.84
  5. Step 5: Solve for x
    x = 39,882,277,871.84/202,292.90
  6. Step 6: Final answer
    x = 197,151.15

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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.