Home / 174,169.17-261,844.31-139,078.75

Finding the Fourth Proportional to 174,169.17, 261,844.31 and 139,078.75

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Solution

The fourth proportional to 174,169.17, 261,844.31 and 139,078.75 is: 209,089.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,169.17 : 261,844.31 = 139,078.75 : x
  2. Step 2: Convert to fraction form
    174,169.17/261,844.31 = 139,078.75/x
  3. Step 3: Cross multiply
    174,169.17x = 261,844.31 × 139,078.75
  4. Step 4: Simplify right side
    174,169.17x = 36,416,979,329.41
  5. Step 5: Solve for x
    x = 36,416,979,329.41/174,169.17
  6. Step 6: Final answer
    x = 209,089.70

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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.