Home / 215,626.76-323,502.50-89,243.64

Finding the Fourth Proportional to 215,626.76, 323,502.50 and 89,243.64

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Solution

The fourth proportional to 215,626.76, 323,502.50 and 89,243.64 is: 133,891.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,626.76 : 323,502.50 = 89,243.64 : x
  2. Step 2: Convert to fraction form
    215,626.76/323,502.50 = 89,243.64/x
  3. Step 3: Cross multiply
    215,626.76x = 323,502.50 × 89,243.64
  4. Step 4: Simplify right side
    215,626.76x = 28,870,540,649.10
  5. Step 5: Solve for x
    x = 28,870,540,649.10/215,626.76
  6. Step 6: Final answer
    x = 133,891.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.