Home / 146,943.58-220,332.39-134,404.78

Finding the Fourth Proportional to 146,943.58, 220,332.39 and 134,404.78

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Solution

The fourth proportional to 146,943.58, 220,332.39 and 134,404.78 is: 201,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,943.58 : 220,332.39 = 134,404.78 : x
  2. Step 2: Convert to fraction form
    146,943.58/220,332.39 = 134,404.78/x
  3. Step 3: Cross multiply
    146,943.58x = 220,332.39 × 134,404.78
  4. Step 4: Simplify right side
    146,943.58x = 29,613,726,404.82
  5. Step 5: Solve for x
    x = 29,613,726,404.82/146,943.58
  6. Step 6: Final answer
    x = 201,531.27

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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.