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Finding the Fourth Proportional to 175,710.80, 242,481.28 and 95,139.28

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Solution

The fourth proportional to 175,710.80, 242,481.28 and 95,139.28 is: 131,292.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,710.80 : 242,481.28 = 95,139.28 : x
  2. Step 2: Convert to fraction form
    175,710.80/242,481.28 = 95,139.28/x
  3. Step 3: Cross multiply
    175,710.80x = 242,481.28 × 95,139.28
  4. Step 4: Simplify right side
    175,710.80x = 23,069,494,392.68
  5. Step 5: Solve for x
    x = 23,069,494,392.68/175,710.80
  6. Step 6: Final answer
    x = 131,292.41

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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.