Home / 140,607.28-194,037.69-76,944.52

Finding the Fourth Proportional to 140,607.28, 194,037.69 and 76,944.52

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Solution

The fourth proportional to 140,607.28, 194,037.69 and 76,944.52 is: 106,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,607.28 : 194,037.69 = 76,944.52 : x
  2. Step 2: Convert to fraction form
    140,607.28/194,037.69 = 76,944.52/x
  3. Step 3: Cross multiply
    140,607.28x = 194,037.69 × 76,944.52
  4. Step 4: Simplify right side
    140,607.28x = 14,930,136,918.96
  5. Step 5: Solve for x
    x = 14,930,136,918.96/140,607.28
  6. Step 6: Final answer
    x = 106,183.24

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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.