Home / 149,316.20-205,983.78-95,558.12

Finding the Fourth Proportional to 149,316.20, 205,983.78 and 95,558.12

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Solution

The fourth proportional to 149,316.20, 205,983.78 and 95,558.12 is: 131,823.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,316.20 : 205,983.78 = 95,558.12 : x
  2. Step 2: Convert to fraction form
    149,316.20/205,983.78 = 95,558.12/x
  3. Step 3: Cross multiply
    149,316.20x = 205,983.78 × 95,558.12
  4. Step 4: Simplify right side
    149,316.20x = 19,683,422,767.29
  5. Step 5: Solve for x
    x = 19,683,422,767.29/149,316.20
  6. Step 6: Final answer
    x = 131,823.76

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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.