Home / 100,640.02-150,763.20-82,896.16

Finding the Fourth Proportional to 100,640.02, 150,763.20 and 82,896.16

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Solution

The fourth proportional to 100,640.02, 150,763.20 and 82,896.16 is: 124,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,640.02 : 150,763.20 = 82,896.16 : x
  2. Step 2: Convert to fraction form
    100,640.02/150,763.20 = 82,896.16/x
  3. Step 3: Cross multiply
    100,640.02x = 150,763.20 × 82,896.16
  4. Step 4: Simplify right side
    100,640.02x = 12,497,690,349.31
  5. Step 5: Solve for x
    x = 12,497,690,349.31/100,640.02
  6. Step 6: Final answer
    x = 124,182.11

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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.