Home / 99,487.41-149,137.30-49,520.26

Finding the Fourth Proportional to 99,487.41, 149,137.30 and 49,520.26

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Solution

The fourth proportional to 99,487.41, 149,137.30 and 49,520.26 is: 74,233.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,487.41 : 149,137.30 = 49,520.26 : x
  2. Step 2: Convert to fraction form
    99,487.41/149,137.30 = 49,520.26/x
  3. Step 3: Cross multiply
    99,487.41x = 149,137.30 × 49,520.26
  4. Step 4: Simplify right side
    99,487.41x = 7,385,317,871.70
  5. Step 5: Solve for x
    x = 7,385,317,871.70/99,487.41
  6. Step 6: Final answer
    x = 74,233.69

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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.