Home / 131,299.11-196,951.50-47,064.78

Finding the Fourth Proportional to 131,299.11, 196,951.50 and 47,064.78

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Solution

The fourth proportional to 131,299.11, 196,951.50 and 47,064.78 is: 70,598.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,299.11 : 196,951.50 = 47,064.78 : x
  2. Step 2: Convert to fraction form
    131,299.11/196,951.50 = 47,064.78/x
  3. Step 3: Cross multiply
    131,299.11x = 196,951.50 × 47,064.78
  4. Step 4: Simplify right side
    131,299.11x = 9,269,479,018.17
  5. Step 5: Solve for x
    x = 9,269,479,018.17/131,299.11
  6. Step 6: Final answer
    x = 70,598.19

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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.