Home / 143,896.10-215,844.15-101,905.70

Finding the Fourth Proportional to 143,896.10, 215,844.15 and 101,905.70

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Solution

The fourth proportional to 143,896.10, 215,844.15 and 101,905.70 is: 152,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,896.10 : 215,844.15 = 101,905.70 : x
  2. Step 2: Convert to fraction form
    143,896.10/215,844.15 = 101,905.70/x
  3. Step 3: Cross multiply
    143,896.10x = 215,844.15 × 101,905.70
  4. Step 4: Simplify right side
    143,896.10x = 21,995,749,196.66
  5. Step 5: Solve for x
    x = 21,995,749,196.66/143,896.10
  6. Step 6: Final answer
    x = 152,858.55

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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.