Home / 143,529.94-215,316.78-73,385.56

Finding the Fourth Proportional to 143,529.94, 215,316.78 and 73,385.56

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Solution

The fourth proportional to 143,529.94, 215,316.78 and 73,385.56 is: 110,089.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,529.94 : 215,316.78 = 73,385.56 : x
  2. Step 2: Convert to fraction form
    143,529.94/215,316.78 = 73,385.56/x
  3. Step 3: Cross multiply
    143,529.94x = 215,316.78 × 73,385.56
  4. Step 4: Simplify right side
    143,529.94x = 15,801,142,477.70
  5. Step 5: Solve for x
    x = 15,801,142,477.70/143,529.94
  6. Step 6: Final answer
    x = 110,089.52

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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.