Home / 150,759.82-208,033.14-87,118.12

Finding the Fourth Proportional to 150,759.82, 208,033.14 and 87,118.12

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Solution

The fourth proportional to 150,759.82, 208,033.14 and 87,118.12 is: 120,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,759.82 : 208,033.14 = 87,118.12 : x
  2. Step 2: Convert to fraction form
    150,759.82/208,033.14 = 87,118.12/x
  3. Step 3: Cross multiply
    150,759.82x = 208,033.14 × 87,118.12
  4. Step 4: Simplify right side
    150,759.82x = 18,123,456,054.50
  5. Step 5: Solve for x
    x = 18,123,456,054.50/150,759.82
  6. Step 6: Final answer
    x = 120,214.10

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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.