Home / 225,426.82-311,085.21-124,822.66

Finding the Fourth Proportional to 225,426.82, 311,085.21 and 124,822.66

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Solution

The fourth proportional to 225,426.82, 311,085.21 and 124,822.66 is: 172,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,426.82 : 311,085.21 = 124,822.66 : x
  2. Step 2: Convert to fraction form
    225,426.82/311,085.21 = 124,822.66/x
  3. Step 3: Cross multiply
    225,426.82x = 311,085.21 × 124,822.66
  4. Step 4: Simplify right side
    225,426.82x = 38,830,483,398.86
  5. Step 5: Solve for x
    x = 38,830,483,398.86/225,426.82
  6. Step 6: Final answer
    x = 172,253.17

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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.