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Finding the Fourth Proportional to 169,076.88, 253,726.05 and 63,895.86

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Solution

The fourth proportional to 169,076.88, 253,726.05 and 63,895.86 is: 95,885.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,076.88 : 253,726.05 = 63,895.86 : x
  2. Step 2: Convert to fraction form
    169,076.88/253,726.05 = 63,895.86/x
  3. Step 3: Cross multiply
    169,076.88x = 253,726.05 × 63,895.86
  4. Step 4: Simplify right side
    169,076.88x = 16,212,044,169.15
  5. Step 5: Solve for x
    x = 16,212,044,169.15/169,076.88
  6. Step 6: Final answer
    x = 95,885.64

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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.