Home / 179,355.78-247,461.21-141,512.58

Finding the Fourth Proportional to 179,355.78, 247,461.21 and 141,512.58

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Solution

The fourth proportional to 179,355.78, 247,461.21 and 141,512.58 is: 195,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,355.78 : 247,461.21 = 141,512.58 : x
  2. Step 2: Convert to fraction form
    179,355.78/247,461.21 = 141,512.58/x
  3. Step 3: Cross multiply
    179,355.78x = 247,461.21 × 141,512.58
  4. Step 4: Simplify right side
    179,355.78x = 35,018,874,277.02
  5. Step 5: Solve for x
    x = 35,018,874,277.02/179,355.78
  6. Step 6: Final answer
    x = 195,248.09

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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.