Home / 150,584.06-207,789.08-86,942.90

Finding the Fourth Proportional to 150,584.06, 207,789.08 and 86,942.90

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Solution

The fourth proportional to 150,584.06, 207,789.08 and 86,942.90 is: 119,971.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,584.06 : 207,789.08 = 86,942.90 : x
  2. Step 2: Convert to fraction form
    150,584.06/207,789.08 = 86,942.90/x
  3. Step 3: Cross multiply
    150,584.06x = 207,789.08 × 86,942.90
  4. Step 4: Simplify right side
    150,584.06x = 18,065,785,203.53
  5. Step 5: Solve for x
    x = 18,065,785,203.53/150,584.06
  6. Step 6: Final answer
    x = 119,971.43

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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.