Home / 143,337.81-215,006.04-36,721.56

Finding the Fourth Proportional to 143,337.81, 215,006.04 and 36,721.56

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Solution

The fourth proportional to 143,337.81, 215,006.04 and 36,721.56 is: 55,082.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,337.81 : 215,006.04 = 36,721.56 : x
  2. Step 2: Convert to fraction form
    143,337.81/215,006.04 = 36,721.56/x
  3. Step 3: Cross multiply
    143,337.81x = 215,006.04 × 36,721.56
  4. Step 4: Simplify right side
    143,337.81x = 7,895,357,198.22
  5. Step 5: Solve for x
    x = 7,895,357,198.22/143,337.81
  6. Step 6: Final answer
    x = 55,082.17

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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.