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Finding the Fourth Proportional to 147,434.40, 220,827.44 and 121,843.88

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Solution

The fourth proportional to 147,434.40, 220,827.44 and 121,843.88 is: 182,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,434.40 : 220,827.44 = 121,843.88 : x
  2. Step 2: Convert to fraction form
    147,434.40/220,827.44 = 121,843.88/x
  3. Step 3: Cross multiply
    147,434.40x = 220,827.44 × 121,843.88
  4. Step 4: Simplify right side
    147,434.40x = 26,906,472,100.07
  5. Step 5: Solve for x
    x = 26,906,472,100.07/147,434.40
  6. Step 6: Final answer
    x = 182,497.93

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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.