Home / 131,442.40-197,084.40-50,353.12

Finding the Fourth Proportional to 131,442.40, 197,084.40 and 50,353.12

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Solution

The fourth proportional to 131,442.40, 197,084.40 and 50,353.12 is: 75,499.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,442.40 : 197,084.40 = 50,353.12 : x
  2. Step 2: Convert to fraction form
    131,442.40/197,084.40 = 50,353.12/x
  3. Step 3: Cross multiply
    131,442.40x = 197,084.40 × 50,353.12
  4. Step 4: Simplify right side
    131,442.40x = 9,923,814,443.33
  5. Step 5: Solve for x
    x = 9,923,814,443.33/131,442.40
  6. Step 6: Final answer
    x = 75,499.34

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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.