Home / 143,688.25-215,532.38-43,848.97

Finding the Fourth Proportional to 143,688.25, 215,532.38 and 43,848.97

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Solution

The fourth proportional to 143,688.25, 215,532.38 and 43,848.97 is: 65,773.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,688.25 : 215,532.38 = 43,848.97 : x
  2. Step 2: Convert to fraction form
    143,688.25/215,532.38 = 43,848.97/x
  3. Step 3: Cross multiply
    143,688.25x = 215,532.38 × 43,848.97
  4. Step 4: Simplify right side
    143,688.25x = 9,450,872,435.44
  5. Step 5: Solve for x
    x = 9,450,872,435.44/143,688.25
  6. Step 6: Final answer
    x = 65,773.45

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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.