Home / 99,420.04-149,131.68-52,576.12

Finding the Fourth Proportional to 99,420.04, 149,131.68 and 52,576.12

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Solution

The fourth proportional to 99,420.04, 149,131.68 and 52,576.12 is: 78,865.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,420.04 : 149,131.68 = 52,576.12 : x
  2. Step 2: Convert to fraction form
    99,420.04/149,131.68 = 52,576.12/x
  3. Step 3: Cross multiply
    99,420.04x = 149,131.68 × 52,576.12
  4. Step 4: Simplify right side
    99,420.04x = 7,840,765,103.48
  5. Step 5: Solve for x
    x = 7,840,765,103.48/99,420.04
  6. Step 6: Final answer
    x = 78,865.04

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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.