Home / 143,787.06-215,680.59-43,947.54

Finding the Fourth Proportional to 143,787.06, 215,680.59 and 43,947.54

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Solution

The fourth proportional to 143,787.06, 215,680.59 and 43,947.54 is: 65,921.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,787.06 : 215,680.59 = 43,947.54 : x
  2. Step 2: Convert to fraction form
    143,787.06/215,680.59 = 43,947.54/x
  3. Step 3: Cross multiply
    143,787.06x = 215,680.59 × 43,947.54
  4. Step 4: Simplify right side
    143,787.06x = 9,478,631,356.25
  5. Step 5: Solve for x
    x = 9,478,631,356.25/143,787.06
  6. Step 6: Final answer
    x = 65,921.31

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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.