Home / 95,437.70-143,120.07-31,380.92

Finding the Fourth Proportional to 95,437.70, 143,120.07 and 31,380.92

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Solution

The fourth proportional to 95,437.70, 143,120.07 and 31,380.92 is: 47,059.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,437.70 : 143,120.07 = 31,380.92 : x
  2. Step 2: Convert to fraction form
    95,437.70/143,120.07 = 31,380.92/x
  3. Step 3: Cross multiply
    95,437.70x = 143,120.07 × 31,380.92
  4. Step 4: Simplify right side
    95,437.70x = 4,491,239,467.06
  5. Step 5: Solve for x
    x = 4,491,239,467.06/95,437.70
  6. Step 6: Final answer
    x = 47,059.38

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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.