Home / 146,749.41-202,519.19-82,221.36

Finding the Fourth Proportional to 146,749.41, 202,519.19 and 82,221.36

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Solution

The fourth proportional to 146,749.41, 202,519.19 and 82,221.36 is: 113,468.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,749.41 : 202,519.19 = 82,221.36 : x
  2. Step 2: Convert to fraction form
    146,749.41/202,519.19 = 82,221.36/x
  3. Step 3: Cross multiply
    146,749.41x = 202,519.19 × 82,221.36
  4. Step 4: Simplify right side
    146,749.41x = 16,651,402,816.79
  5. Step 5: Solve for x
    x = 16,651,402,816.79/146,749.41
  6. Step 6: Final answer
    x = 113,468.28

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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.