Home / 170,138.22-255,187.89-45,488.94

Finding the Fourth Proportional to 170,138.22, 255,187.89 and 45,488.94

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Solution

The fourth proportional to 170,138.22, 255,187.89 and 45,488.94 is: 68,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,138.22 : 255,187.89 = 45,488.94 : x
  2. Step 2: Convert to fraction form
    170,138.22/255,187.89 = 45,488.94/x
  3. Step 3: Cross multiply
    170,138.22x = 255,187.89 × 45,488.94
  4. Step 4: Simplify right side
    170,138.22x = 11,608,226,616.94
  5. Step 5: Solve for x
    x = 11,608,226,616.94/170,138.22
  6. Step 6: Final answer
    x = 68,228.21

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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.