Home / 178,987.30-247,008.82-98,420.96

Finding the Fourth Proportional to 178,987.30, 247,008.82 and 98,420.96

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Solution

The fourth proportional to 178,987.30, 247,008.82 and 98,420.96 is: 135,824.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,987.30 : 247,008.82 = 98,420.96 : x
  2. Step 2: Convert to fraction form
    178,987.30/247,008.82 = 98,420.96/x
  3. Step 3: Cross multiply
    178,987.30x = 247,008.82 × 98,420.96
  4. Step 4: Simplify right side
    178,987.30x = 24,310,845,192.87
  5. Step 5: Solve for x
    x = 24,310,845,192.87/178,987.30
  6. Step 6: Final answer
    x = 135,824.41

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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.