Home / 135,250.20-202,875.30-82,762.20

Finding the Fourth Proportional to 135,250.20, 202,875.30 and 82,762.20

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Solution

The fourth proportional to 135,250.20, 202,875.30 and 82,762.20 is: 124,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,250.20 : 202,875.30 = 82,762.20 : x
  2. Step 2: Convert to fraction form
    135,250.20/202,875.30 = 82,762.20/x
  3. Step 3: Cross multiply
    135,250.20x = 202,875.30 × 82,762.20
  4. Step 4: Simplify right side
    135,250.20x = 16,790,406,153.66
  5. Step 5: Solve for x
    x = 16,790,406,153.66/135,250.20
  6. Step 6: Final answer
    x = 124,143.30

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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.