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Finding the Fourth Proportional to 129,572.60, 194,361.98 and 34,802.90

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Solution

The fourth proportional to 129,572.60, 194,361.98 and 34,802.90 is: 52,205.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,572.60 : 194,361.98 = 34,802.90 : x
  2. Step 2: Convert to fraction form
    129,572.60/194,361.98 = 34,802.90/x
  3. Step 3: Cross multiply
    129,572.60x = 194,361.98 × 34,802.90
  4. Step 4: Simplify right side
    129,572.60x = 6,764,360,136.78
  5. Step 5: Solve for x
    x = 6,764,360,136.78/129,572.60
  6. Step 6: Final answer
    x = 52,205.18

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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.