Home / 143,621.79-215,531.09-50,127.54

Finding the Fourth Proportional to 143,621.79, 215,531.09 and 50,127.54

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Solution

The fourth proportional to 143,621.79, 215,531.09 and 50,127.54 is: 75,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,621.79 : 215,531.09 = 50,127.54 : x
  2. Step 2: Convert to fraction form
    143,621.79/215,531.09 = 50,127.54/x
  3. Step 3: Cross multiply
    143,621.79x = 215,531.09 × 50,127.54
  4. Step 4: Simplify right side
    143,621.79x = 10,804,043,084.58
  5. Step 5: Solve for x
    x = 10,804,043,084.58/143,621.79
  6. Step 6: Final answer
    x = 75,225.65

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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.