Home / 175,376.78-242,043.66-98,911.58

Finding the Fourth Proportional to 175,376.78, 242,043.66 and 98,911.58

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Solution

The fourth proportional to 175,376.78, 242,043.66 and 98,911.58 is: 136,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,376.78 : 242,043.66 = 98,911.58 : x
  2. Step 2: Convert to fraction form
    175,376.78/242,043.66 = 98,911.58/x
  3. Step 3: Cross multiply
    175,376.78x = 242,043.66 × 98,911.58
  4. Step 4: Simplify right side
    175,376.78x = 23,940,920,839.58
  5. Step 5: Solve for x
    x = 23,940,920,839.58/175,376.78
  6. Step 6: Final answer
    x = 136,511.35

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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.