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Finding the Fourth Proportional to 175,358.25, 242,018.08 and 98,893.04

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Solution

The fourth proportional to 175,358.25, 242,018.08 and 98,893.04 is: 136,485.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,358.25 : 242,018.08 = 98,893.04 : x
  2. Step 2: Convert to fraction form
    175,358.25/242,018.08 = 98,893.04/x
  3. Step 3: Cross multiply
    175,358.25x = 242,018.08 × 98,893.04
  4. Step 4: Simplify right side
    175,358.25x = 23,933,902,208.84
  5. Step 5: Solve for x
    x = 23,933,902,208.84/175,358.25
  6. Step 6: Final answer
    x = 136,485.75

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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.