Home / 219,542.86-302,965.21-124,047.51

Finding the Fourth Proportional to 219,542.86, 302,965.21 and 124,047.51

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Solution

The fourth proportional to 219,542.86, 302,965.21 and 124,047.51 is: 171,183.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,542.86 : 302,965.21 = 124,047.51 : x
  2. Step 2: Convert to fraction form
    219,542.86/302,965.21 = 124,047.51/x
  3. Step 3: Cross multiply
    219,542.86x = 302,965.21 × 124,047.51
  4. Step 4: Simplify right side
    219,542.86x = 37,582,079,917.13
  5. Step 5: Solve for x
    x = 37,582,079,917.13/219,542.86
  6. Step 6: Final answer
    x = 171,183.34

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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.