Home / 99,450.32-149,197.40-43,299.44

Finding the Fourth Proportional to 99,450.32, 149,197.40 and 43,299.44

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Solution

The fourth proportional to 99,450.32, 149,197.40 and 43,299.44 is: 64,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,450.32 : 149,197.40 = 43,299.44 : x
  2. Step 2: Convert to fraction form
    99,450.32/149,197.40 = 43,299.44/x
  3. Step 3: Cross multiply
    99,450.32x = 149,197.40 × 43,299.44
  4. Step 4: Simplify right side
    99,450.32x = 6,460,163,869.46
  5. Step 5: Solve for x
    x = 6,460,163,869.46/99,450.32
  6. Step 6: Final answer
    x = 64,958.70

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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.