Home / 151,205.40-226,808.10-87,960.60

Finding the Fourth Proportional to 151,205.40, 226,808.10 and 87,960.60

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Solution

The fourth proportional to 151,205.40, 226,808.10 and 87,960.60 is: 131,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,205.40 : 226,808.10 = 87,960.60 : x
  2. Step 2: Convert to fraction form
    151,205.40/226,808.10 = 87,960.60/x
  3. Step 3: Cross multiply
    151,205.40x = 226,808.10 × 87,960.60
  4. Step 4: Simplify right side
    151,205.40x = 19,950,176,560.86
  5. Step 5: Solve for x
    x = 19,950,176,560.86/151,205.40
  6. Step 6: Final answer
    x = 131,940.90

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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.