Home / 131,037.70-196,556.55-56,145.10

Finding the Fourth Proportional to 131,037.70, 196,556.55 and 56,145.10

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Solution

The fourth proportional to 131,037.70, 196,556.55 and 56,145.10 is: 84,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,037.70 : 196,556.55 = 56,145.10 : x
  2. Step 2: Convert to fraction form
    131,037.70/196,556.55 = 56,145.10/x
  3. Step 3: Cross multiply
    131,037.70x = 196,556.55 × 56,145.10
  4. Step 4: Simplify right side
    131,037.70x = 11,035,687,155.41
  5. Step 5: Solve for x
    x = 11,035,687,155.41/131,037.70
  6. Step 6: Final answer
    x = 84,217.65

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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.