Home / 122,817.54-169,487.90-69,102.62

Finding the Fourth Proportional to 122,817.54, 169,487.90 and 69,102.62

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Solution

The fourth proportional to 122,817.54, 169,487.90 and 69,102.62 is: 95,361.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,817.54 : 169,487.90 = 69,102.62 : x
  2. Step 2: Convert to fraction form
    122,817.54/169,487.90 = 69,102.62/x
  3. Step 3: Cross multiply
    122,817.54x = 169,487.90 × 69,102.62
  4. Step 4: Simplify right side
    122,817.54x = 11,712,057,948.30
  5. Step 5: Solve for x
    x = 11,712,057,948.30/122,817.54
  6. Step 6: Final answer
    x = 95,361.44

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1.5x scale

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.