Home / 178,985.29-247,006.08-98,418.97

Finding the Fourth Proportional to 178,985.29, 247,006.08 and 98,418.97

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Solution

The fourth proportional to 178,985.29, 247,006.08 and 98,418.97 is: 135,821.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,985.29 : 247,006.08 = 98,418.97 : x
  2. Step 2: Convert to fraction form
    178,985.29/247,006.08 = 98,418.97/x
  3. Step 3: Cross multiply
    178,985.29x = 247,006.08 × 98,418.97
  4. Step 4: Simplify right side
    178,985.29x = 24,310,083,977.34
  5. Step 5: Solve for x
    x = 24,310,083,977.34/178,985.29
  6. Step 6: Final answer
    x = 135,821.69

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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.