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Finding the Fourth Proportional to 103,327.80, 154,991.70 and 36,770.10

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Solution

The fourth proportional to 103,327.80, 154,991.70 and 36,770.10 is: 55,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,327.80 : 154,991.70 = 36,770.10 : x
  2. Step 2: Convert to fraction form
    103,327.80/154,991.70 = 36,770.10/x
  3. Step 3: Cross multiply
    103,327.80x = 154,991.70 × 36,770.10
  4. Step 4: Simplify right side
    103,327.80x = 5,699,060,308.17
  5. Step 5: Solve for x
    x = 5,699,060,308.17/103,327.80
  6. Step 6: Final answer
    x = 55,155.15

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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.