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Finding the Fourth Proportional to 175,773, 242,579.70 and 108,717.96

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Solution

The fourth proportional to 175,773, 242,579.70 and 108,717.96 is: 150,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,773 : 242,579.70 = 108,717.96 : x
  2. Step 2: Convert to fraction form
    175,773/242,579.70 = 108,717.96/x
  3. Step 3: Cross multiply
    175,773x = 242,579.70 × 108,717.96
  4. Step 4: Simplify right side
    175,773x = 26,372,770,121.41
  5. Step 5: Solve for x
    x = 26,372,770,121.41/175,773
  6. Step 6: Final answer
    x = 150,038.80

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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.