Home / 146,477.19-219,715.79-138,997.65

Finding the Fourth Proportional to 146,477.19, 219,715.79 and 138,997.65

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Solution

The fourth proportional to 146,477.19, 219,715.79 and 138,997.65 is: 208,496.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,477.19 : 219,715.79 = 138,997.65 : x
  2. Step 2: Convert to fraction form
    146,477.19/219,715.79 = 138,997.65/x
  3. Step 3: Cross multiply
    146,477.19x = 219,715.79 × 138,997.65
  4. Step 4: Simplify right side
    146,477.19x = 30,539,978,477.89
  5. Step 5: Solve for x
    x = 30,539,978,477.89/146,477.19
  6. Step 6: Final answer
    x = 208,496.48

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1.5x scale

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.