Home / 106,491.28-146,964.68-61,183.76

Finding the Fourth Proportional to 106,491.28, 146,964.68 and 61,183.76

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Solution

The fourth proportional to 106,491.28, 146,964.68 and 61,183.76 is: 84,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,491.28 : 146,964.68 = 61,183.76 : x
  2. Step 2: Convert to fraction form
    106,491.28/146,964.68 = 61,183.76/x
  3. Step 3: Cross multiply
    106,491.28x = 146,964.68 × 61,183.76
  4. Step 4: Simplify right side
    106,491.28x = 8,991,851,709.60
  5. Step 5: Solve for x
    x = 8,991,851,709.60/106,491.28
  6. Step 6: Final answer
    x = 84,437.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.