Home / 82,135.46-123,203.21-29,549.05

Finding the Fourth Proportional to 82,135.46, 123,203.21 and 29,549.05

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Solution

The fourth proportional to 82,135.46, 123,203.21 and 29,549.05 is: 44,323.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,135.46 : 123,203.21 = 29,549.05 : x
  2. Step 2: Convert to fraction form
    82,135.46/123,203.21 = 29,549.05/x
  3. Step 3: Cross multiply
    82,135.46x = 123,203.21 × 29,549.05
  4. Step 4: Simplify right side
    82,135.46x = 3,640,537,356.70
  5. Step 5: Solve for x
    x = 3,640,537,356.70/82,135.46
  6. Step 6: Final answer
    x = 44,323.58

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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.