Home / 164,131.70-226,528.17-123,890.90

Finding the Fourth Proportional to 164,131.70, 226,528.17 and 123,890.90

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Solution

The fourth proportional to 164,131.70, 226,528.17 and 123,890.90 is: 170,989.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,131.70 : 226,528.17 = 123,890.90 : x
  2. Step 2: Convert to fraction form
    164,131.70/226,528.17 = 123,890.90/x
  3. Step 3: Cross multiply
    164,131.70x = 226,528.17 × 123,890.90
  4. Step 4: Simplify right side
    164,131.70x = 28,064,778,856.65
  5. Step 5: Solve for x
    x = 28,064,778,856.65/164,131.70
  6. Step 6: Final answer
    x = 170,989.39

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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.