Home / 150,834.06-208,104.18-87,148.62

Finding the Fourth Proportional to 150,834.06, 208,104.18 and 87,148.62

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Solution

The fourth proportional to 150,834.06, 208,104.18 and 87,148.62 is: 120,238.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,834.06 : 208,104.18 = 87,148.62 : x
  2. Step 2: Convert to fraction form
    150,834.06/208,104.18 = 87,148.62/x
  3. Step 3: Cross multiply
    150,834.06x = 208,104.18 × 87,148.62
  4. Step 4: Simplify right side
    150,834.06x = 18,135,992,103.23
  5. Step 5: Solve for x
    x = 18,135,992,103.23/150,834.06
  6. Step 6: Final answer
    x = 120,238.04

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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.