Home / 143,926.70-215,998.05-73,769.90

Finding the Fourth Proportional to 143,926.70, 215,998.05 and 73,769.90

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Solution

The fourth proportional to 143,926.70, 215,998.05 and 73,769.90 is: 110,710.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,926.70 : 215,998.05 = 73,769.90 : x
  2. Step 2: Convert to fraction form
    143,926.70/215,998.05 = 73,769.90/x
  3. Step 3: Cross multiply
    143,926.70x = 215,998.05 × 73,769.90
  4. Step 4: Simplify right side
    143,926.70x = 15,934,154,548.70
  5. Step 5: Solve for x
    x = 15,934,154,548.70/143,926.70
  6. Step 6: Final answer
    x = 110,710.21

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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.