Home / 143,639.60-215,323.08-50,120.24

Finding the Fourth Proportional to 143,639.60, 215,323.08 and 50,120.24

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Solution

The fourth proportional to 143,639.60, 215,323.08 and 50,120.24 is: 75,132.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,639.60 : 215,323.08 = 50,120.24 : x
  2. Step 2: Convert to fraction form
    143,639.60/215,323.08 = 50,120.24/x
  3. Step 3: Cross multiply
    143,639.60x = 215,323.08 × 50,120.24
  4. Step 4: Simplify right side
    143,639.60x = 10,792,044,447.14
  5. Step 5: Solve for x
    x = 10,792,044,447.14/143,639.60
  6. Step 6: Final answer
    x = 75,132.79

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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.