Home / 221,529.13-305,717.24-126,041.97

Finding the Fourth Proportional to 221,529.13, 305,717.24 and 126,041.97

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Solution

The fourth proportional to 221,529.13, 305,717.24 and 126,041.97 is: 173,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,529.13 : 305,717.24 = 126,041.97 : x
  2. Step 2: Convert to fraction form
    221,529.13/305,717.24 = 126,041.97/x
  3. Step 3: Cross multiply
    221,529.13x = 305,717.24 × 126,041.97
  4. Step 4: Simplify right side
    221,529.13x = 38,533,203,945.12
  5. Step 5: Solve for x
    x = 38,533,203,945.12/221,529.13
  6. Step 6: Final answer
    x = 173,941.93

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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.