Home / 99,360.20-149,040.30-32,810.60

Finding the Fourth Proportional to 99,360.20, 149,040.30 and 32,810.60

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Solution

The fourth proportional to 99,360.20, 149,040.30 and 32,810.60 is: 49,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,360.20 : 149,040.30 = 32,810.60 : x
  2. Step 2: Convert to fraction form
    99,360.20/149,040.30 = 32,810.60/x
  3. Step 3: Cross multiply
    99,360.20x = 149,040.30 × 32,810.60
  4. Step 4: Simplify right side
    99,360.20x = 4,890,101,667.18
  5. Step 5: Solve for x
    x = 4,890,101,667.18/99,360.20
  6. Step 6: Final answer
    x = 49,215.90

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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.