Home / 99,380.40-149,074.20-29,266.80

Finding the Fourth Proportional to 99,380.40, 149,074.20 and 29,266.80

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Solution

The fourth proportional to 99,380.40, 149,074.20 and 29,266.80 is: 43,901.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,380.40 : 149,074.20 = 29,266.80 : x
  2. Step 2: Convert to fraction form
    99,380.40/149,074.20 = 29,266.80/x
  3. Step 3: Cross multiply
    99,380.40x = 149,074.20 × 29,266.80
  4. Step 4: Simplify right side
    99,380.40x = 4,362,924,796.56
  5. Step 5: Solve for x
    x = 4,362,924,796.56/99,380.40
  6. Step 6: Final answer
    x = 43,901.26

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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.