Home / 135,220.30-202,441.65-82,732.30

Finding the Fourth Proportional to 135,220.30, 202,441.65 and 82,732.30

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Solution

The fourth proportional to 135,220.30, 202,441.65 and 82,732.30 is: 123,860.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,220.30 : 202,441.65 = 82,732.30 : x
  2. Step 2: Convert to fraction form
    135,220.30/202,441.65 = 82,732.30/x
  3. Step 3: Cross multiply
    135,220.30x = 202,441.65 × 82,732.30
  4. Step 4: Simplify right side
    135,220.30x = 16,748,463,320.30
  5. Step 5: Solve for x
    x = 16,748,463,320.30/135,220.30
  6. Step 6: Final answer
    x = 123,860.57

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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.