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Finding the Fourth Proportional to 175,460.81, 242,137.82 and 94,889.90

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Solution

The fourth proportional to 175,460.81, 242,137.82 and 94,889.90 is: 130,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,460.81 : 242,137.82 = 94,889.90 : x
  2. Step 2: Convert to fraction form
    175,460.81/242,137.82 = 94,889.90/x
  3. Step 3: Cross multiply
    175,460.81x = 242,137.82 × 94,889.90
  4. Step 4: Simplify right side
    175,460.81x = 22,976,434,368.59
  5. Step 5: Solve for x
    x = 22,976,434,368.59/175,460.81
  6. Step 6: Final answer
    x = 130,949.10

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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.