Home / 104,429.60-156,644.40-34,311.20

Finding the Fourth Proportional to 104,429.60, 156,644.40 and 34,311.20

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Solution

The fourth proportional to 104,429.60, 156,644.40 and 34,311.20 is: 51,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,429.60 : 156,644.40 = 34,311.20 : x
  2. Step 2: Convert to fraction form
    104,429.60/156,644.40 = 34,311.20/x
  3. Step 3: Cross multiply
    104,429.60x = 156,644.40 × 34,311.20
  4. Step 4: Simplify right side
    104,429.60x = 5,374,657,337.28
  5. Step 5: Solve for x
    x = 5,374,657,337.28/104,429.60
  6. Step 6: Final answer
    x = 51,466.80

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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.