Home / 150,865.76-208,232.16-87,194.36

Finding the Fourth Proportional to 150,865.76, 208,232.16 and 87,194.36

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Solution

The fourth proportional to 150,865.76, 208,232.16 and 87,194.36 is: 120,349.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,865.76 : 208,232.16 = 87,194.36 : x
  2. Step 2: Convert to fraction form
    150,865.76/208,232.16 = 87,194.36/x
  3. Step 3: Cross multiply
    150,865.76x = 208,232.16 × 87,194.36
  4. Step 4: Simplify right side
    150,865.76x = 18,156,669,922.62
  5. Step 5: Solve for x
    x = 18,156,669,922.62/150,865.76
  6. Step 6: Final answer
    x = 120,349.84

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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.