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Finding the Fourth Proportional to 137,248.98, 204,939.23 and 121,103.96

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Solution

The fourth proportional to 137,248.98, 204,939.23 and 121,103.96 is: 180,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,248.98 : 204,939.23 = 121,103.96 : x
  2. Step 2: Convert to fraction form
    137,248.98/204,939.23 = 121,103.96/x
  3. Step 3: Cross multiply
    137,248.98x = 204,939.23 × 121,103.96
  4. Step 4: Simplify right side
    137,248.98x = 24,818,953,127.46
  5. Step 5: Solve for x
    x = 24,818,953,127.46/137,248.98
  6. Step 6: Final answer
    x = 180,831.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.