Home / 133,050.90-199,576.35-122,990.70

Finding the Fourth Proportional to 133,050.90, 199,576.35 and 122,990.70

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Solution

The fourth proportional to 133,050.90, 199,576.35 and 122,990.70 is: 184,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,050.90 : 199,576.35 = 122,990.70 : x
  2. Step 2: Convert to fraction form
    133,050.90/199,576.35 = 122,990.70/x
  3. Step 3: Cross multiply
    133,050.90x = 199,576.35 × 122,990.70
  4. Step 4: Simplify right side
    133,050.90x = 24,546,034,989.95
  5. Step 5: Solve for x
    x = 24,546,034,989.95/133,050.90
  6. Step 6: Final answer
    x = 184,486.05

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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.