Home / 143,490.02-215,247.04-43,650.97

Finding the Fourth Proportional to 143,490.02, 215,247.04 and 43,650.97

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Solution

The fourth proportional to 143,490.02, 215,247.04 and 43,650.97 is: 65,480.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,490.02 : 215,247.04 = 43,650.97 : x
  2. Step 2: Convert to fraction form
    143,490.02/215,247.04 = 43,650.97/x
  3. Step 3: Cross multiply
    143,490.02x = 215,247.04 × 43,650.97
  4. Step 4: Simplify right side
    143,490.02x = 9,395,741,438.38
  5. Step 5: Solve for x
    x = 9,395,741,438.38/143,490.02
  6. Step 6: Final answer
    x = 65,480.11

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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.