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Finding the Fourth Proportional to 104,156.40, 156,242.70 and 34,042.80

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Solution

The fourth proportional to 104,156.40, 156,242.70 and 34,042.80 is: 51,066.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,156.40 : 156,242.70 = 34,042.80 : x
  2. Step 2: Convert to fraction form
    104,156.40/156,242.70 = 34,042.80/x
  3. Step 3: Cross multiply
    104,156.40x = 156,242.70 × 34,042.80
  4. Step 4: Simplify right side
    104,156.40x = 5,318,938,817.35
  5. Step 5: Solve for x
    x = 5,318,938,817.35/104,156.40
  6. Step 6: Final answer
    x = 51,066.85

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1.5x scale

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.