Home / 104,822.40-156,974.40-69,571.20

Finding the Fourth Proportional to 104,822.40, 156,974.40 and 69,571.20

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Solution

The fourth proportional to 104,822.40, 156,974.40 and 69,571.20 is: 104,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,822.40 : 156,974.40 = 69,571.20 : x
  2. Step 2: Convert to fraction form
    104,822.40/156,974.40 = 69,571.20/x
  3. Step 3: Cross multiply
    104,822.40x = 156,974.40 × 69,571.20
  4. Step 4: Simplify right side
    104,822.40x = 10,920,897,377.28
  5. Step 5: Solve for x
    x = 10,920,897,377.28/104,822.40
  6. Step 6: Final answer
    x = 104,184.77

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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.