Home / 178,983.54-247,003.65-98,417.21

Finding the Fourth Proportional to 178,983.54, 247,003.65 and 98,417.21

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Solution

The fourth proportional to 178,983.54, 247,003.65 and 98,417.21 is: 135,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,983.54 : 247,003.65 = 98,417.21 : x
  2. Step 2: Convert to fraction form
    178,983.54/247,003.65 = 98,417.21/x
  3. Step 3: Cross multiply
    178,983.54x = 247,003.65 × 98,417.21
  4. Step 4: Simplify right side
    178,983.54x = 24,309,408,857.80
  5. Step 5: Solve for x
    x = 24,309,408,857.80/178,983.54
  6. Step 6: Final answer
    x = 135,819.24

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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.