Home / 143,370.66-215,099.73-73,299.18

Finding the Fourth Proportional to 143,370.66, 215,099.73 and 73,299.18

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Solution

The fourth proportional to 143,370.66, 215,099.73 and 73,299.18 is: 109,971.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,370.66 : 215,099.73 = 73,299.18 : x
  2. Step 2: Convert to fraction form
    143,370.66/215,099.73 = 73,299.18/x
  3. Step 3: Cross multiply
    143,370.66x = 215,099.73 × 73,299.18
  4. Step 4: Simplify right side
    143,370.66x = 15,766,632,385.23
  5. Step 5: Solve for x
    x = 15,766,632,385.23/143,370.66
  6. Step 6: Final answer
    x = 109,971.13

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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.