Home / 149,379.54-206,196.60-133,436.28

Finding the Fourth Proportional to 149,379.54, 206,196.60 and 133,436.28

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Solution

The fourth proportional to 149,379.54, 206,196.60 and 133,436.28 is: 184,189.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,379.54 : 206,196.60 = 133,436.28 : x
  2. Step 2: Convert to fraction form
    149,379.54/206,196.60 = 133,436.28/x
  3. Step 3: Cross multiply
    149,379.54x = 206,196.60 × 133,436.28
  4. Step 4: Simplify right side
    149,379.54x = 27,514,107,252.65
  5. Step 5: Solve for x
    x = 27,514,107,252.65/149,379.54
  6. Step 6: Final answer
    x = 184,189.26

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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.