Home / 178,989.32-247,006.18-98,422.04

Finding the Fourth Proportional to 178,989.32, 247,006.18 and 98,422.04

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Solution

The fourth proportional to 178,989.32, 247,006.18 and 98,422.04 is: 135,822.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,989.32 : 247,006.18 = 98,422.04 : x
  2. Step 2: Convert to fraction form
    178,989.32/247,006.18 = 98,422.04/x
  3. Step 3: Cross multiply
    178,989.32x = 247,006.18 × 98,422.04
  4. Step 4: Simplify right side
    178,989.32x = 24,310,852,128.21
  5. Step 5: Solve for x
    x = 24,310,852,128.21/178,989.32
  6. Step 6: Final answer
    x = 135,822.92

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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.