Home / 143,787.96-215,683.31-38,606.93

Finding the Fourth Proportional to 143,787.96, 215,683.31 and 38,606.93

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Solution

The fourth proportional to 143,787.96, 215,683.31 and 38,606.93 is: 57,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,787.96 : 215,683.31 = 38,606.93 : x
  2. Step 2: Convert to fraction form
    143,787.96/215,683.31 = 38,606.93/x
  3. Step 3: Cross multiply
    143,787.96x = 215,683.31 × 38,606.93
  4. Step 4: Simplify right side
    143,787.96x = 8,326,870,061.09
  5. Step 5: Solve for x
    x = 8,326,870,061.09/143,787.96
  6. Step 6: Final answer
    x = 57,910.76

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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.