Home / 143,570.16-215,363.97-43,737.66

Finding the Fourth Proportional to 143,570.16, 215,363.97 and 43,737.66

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Solution

The fourth proportional to 143,570.16, 215,363.97 and 43,737.66 is: 65,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,570.16 : 215,363.97 = 43,737.66 : x
  2. Step 2: Convert to fraction form
    143,570.16/215,363.97 = 43,737.66/x
  3. Step 3: Cross multiply
    143,570.16x = 215,363.97 × 43,737.66
  4. Step 4: Simplify right side
    143,570.16x = 9,419,516,096.11
  5. Step 5: Solve for x
    x = 9,419,516,096.11/143,570.16
  6. Step 6: Final answer
    x = 65,609.15

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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.