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Finding the Fourth Proportional to 102,770.40, 154,136.16 and 32,650.40

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Solution

The fourth proportional to 102,770.40, 154,136.16 and 32,650.40 is: 48,969.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,770.40 : 154,136.16 = 32,650.40 : x
  2. Step 2: Convert to fraction form
    102,770.40/154,136.16 = 32,650.40/x
  3. Step 3: Cross multiply
    102,770.40x = 154,136.16 × 32,650.40
  4. Step 4: Simplify right side
    102,770.40x = 5,032,607,278.46
  5. Step 5: Solve for x
    x = 5,032,607,278.46/102,770.40
  6. Step 6: Final answer
    x = 48,969.42

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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.