Home / 178,988.13-247,004.54-98,420.85

Finding the Fourth Proportional to 178,988.13, 247,004.54 and 98,420.85

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Solution

The fourth proportional to 178,988.13, 247,004.54 and 98,420.85 is: 135,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,988.13 : 247,004.54 = 98,420.85 : x
  2. Step 2: Convert to fraction form
    178,988.13/247,004.54 = 98,420.85/x
  3. Step 3: Cross multiply
    178,988.13x = 247,004.54 × 98,420.85
  4. Step 4: Simplify right side
    178,988.13x = 24,310,397,026.71
  5. Step 5: Solve for x
    x = 24,310,397,026.71/178,988.13
  6. Step 6: Final answer
    x = 135,821.28

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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.