Home / 150,824.82-208,115.10-87,150.28

Finding the Fourth Proportional to 150,824.82, 208,115.10 and 87,150.28

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Solution

The fourth proportional to 150,824.82, 208,115.10 and 87,150.28 is: 120,254.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,824.82 : 208,115.10 = 87,150.28 : x
  2. Step 2: Convert to fraction form
    150,824.82/208,115.10 = 87,150.28/x
  3. Step 3: Cross multiply
    150,824.82x = 208,115.10 × 87,150.28
  4. Step 4: Simplify right side
    150,824.82x = 18,137,289,237.23
  5. Step 5: Solve for x
    x = 18,137,289,237.23/150,824.82
  6. Step 6: Final answer
    x = 120,254.01

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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.