Home / 143,639.53-215,557.71-50,145.28

Finding the Fourth Proportional to 143,639.53, 215,557.71 and 50,145.28

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Solution

The fourth proportional to 143,639.53, 215,557.71 and 50,145.28 is: 75,252.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,639.53 : 215,557.71 = 50,145.28 : x
  2. Step 2: Convert to fraction form
    143,639.53/215,557.71 = 50,145.28/x
  3. Step 3: Cross multiply
    143,639.53x = 215,557.71 × 50,145.28
  4. Step 4: Simplify right side
    143,639.53x = 10,809,201,724.11
  5. Step 5: Solve for x
    x = 10,809,201,724.11/143,639.53
  6. Step 6: Final answer
    x = 75,252.28

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1.5x scale

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.