Home / 178,984.54-247,005.03-98,418.21

Finding the Fourth Proportional to 178,984.54, 247,005.03 and 98,418.21

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Solution

The fourth proportional to 178,984.54, 247,005.03 and 98,418.21 is: 135,820.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,984.54 : 247,005.03 = 98,418.21 : x
  2. Step 2: Convert to fraction form
    178,984.54/247,005.03 = 98,418.21/x
  3. Step 3: Cross multiply
    178,984.54x = 247,005.03 × 98,418.21
  4. Step 4: Simplify right side
    178,984.54x = 24,309,792,913.60
  5. Step 5: Solve for x
    x = 24,309,792,913.60/178,984.54
  6. Step 6: Final answer
    x = 135,820.63

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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.