Home / 150,619.52-207,833.32-90,175.68

Finding the Fourth Proportional to 150,619.52, 207,833.32 and 90,175.68

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Solution

The fourth proportional to 150,619.52, 207,833.32 and 90,175.68 is: 124,429.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,619.52 : 207,833.32 = 90,175.68 : x
  2. Step 2: Convert to fraction form
    150,619.52/207,833.32 = 90,175.68/x
  3. Step 3: Cross multiply
    150,619.52x = 207,833.32 × 90,175.68
  4. Step 4: Simplify right side
    150,619.52x = 18,741,510,957.66
  5. Step 5: Solve for x
    x = 18,741,510,957.66/150,619.52
  6. Step 6: Final answer
    x = 124,429.50

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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.