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Finding the Fourth Proportional to 175,718, 242,503.80 and 108,662.96

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Solution

The fourth proportional to 175,718, 242,503.80 and 108,662.96 is: 149,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,718 : 242,503.80 = 108,662.96 : x
  2. Step 2: Convert to fraction form
    175,718/242,503.80 = 108,662.96/x
  3. Step 3: Cross multiply
    175,718x = 242,503.80 × 108,662.96
  4. Step 4: Simplify right side
    175,718x = 26,351,180,719.25
  5. Step 5: Solve for x
    x = 26,351,180,719.25/175,718
  6. Step 6: Final answer
    x = 149,962.90

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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.