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Finding the Fourth Proportional to 99,608.85, 149,435.15 and 29,493.63

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Solution

The fourth proportional to 99,608.85, 149,435.15 and 29,493.63 is: 44,246.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,608.85 : 149,435.15 = 29,493.63 : x
  2. Step 2: Convert to fraction form
    99,608.85/149,435.15 = 29,493.63/x
  3. Step 3: Cross multiply
    99,608.85x = 149,435.15 × 29,493.63
  4. Step 4: Simplify right side
    99,608.85x = 4,407,384,875.63
  5. Step 5: Solve for x
    x = 4,407,384,875.63/99,608.85
  6. Step 6: Final answer
    x = 44,246.92

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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.