Home / 163,707.82-245,456.43-68,999.38

Finding the Fourth Proportional to 163,707.82, 245,456.43 and 68,999.38

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Solution

The fourth proportional to 163,707.82, 245,456.43 and 68,999.38 is: 103,454.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,707.82 : 245,456.43 = 68,999.38 : x
  2. Step 2: Convert to fraction form
    163,707.82/245,456.43 = 68,999.38/x
  3. Step 3: Cross multiply
    163,707.82x = 245,456.43 × 68,999.38
  4. Step 4: Simplify right side
    163,707.82x = 16,936,341,487.01
  5. Step 5: Solve for x
    x = 16,936,341,487.01/163,707.82
  6. Step 6: Final answer
    x = 103,454.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.