Home / 215,137.62-296,683.83-142,425.36

Finding the Fourth Proportional to 215,137.62, 296,683.83 and 142,425.36

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Solution

The fourth proportional to 215,137.62, 296,683.83 and 142,425.36 is: 196,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,137.62 : 296,683.83 = 142,425.36 : x
  2. Step 2: Convert to fraction form
    215,137.62/296,683.83 = 142,425.36/x
  3. Step 3: Cross multiply
    215,137.62x = 296,683.83 × 142,425.36
  4. Step 4: Simplify right side
    215,137.62x = 42,255,301,293.93
  5. Step 5: Solve for x
    x = 42,255,301,293.93/215,137.62
  6. Step 6: Final answer
    x = 196,410.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.