Home / 143,139.36-214,709.07-37,966.56

Finding the Fourth Proportional to 143,139.36, 214,709.07 and 37,966.56

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Solution

The fourth proportional to 143,139.36, 214,709.07 and 37,966.56 is: 56,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,139.36 : 214,709.07 = 37,966.56 : x
  2. Step 2: Convert to fraction form
    143,139.36/214,709.07 = 37,966.56/x
  3. Step 3: Cross multiply
    143,139.36x = 214,709.07 × 37,966.56
  4. Step 4: Simplify right side
    143,139.36x = 8,151,764,788.70
  5. Step 5: Solve for x
    x = 8,151,764,788.70/143,139.36
  6. Step 6: Final answer
    x = 56,949.85

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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.