Home / 133,029.90-199,544.85-131,280.30

Finding the Fourth Proportional to 133,029.90, 199,544.85 and 131,280.30

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Solution

The fourth proportional to 133,029.90, 199,544.85 and 131,280.30 is: 196,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,029.90 : 199,544.85 = 131,280.30 : x
  2. Step 2: Convert to fraction form
    133,029.90/199,544.85 = 131,280.30/x
  3. Step 3: Cross multiply
    133,029.90x = 199,544.85 × 131,280.30
  4. Step 4: Simplify right side
    133,029.90x = 26,196,307,771.46
  5. Step 5: Solve for x
    x = 26,196,307,771.46/133,029.90
  6. Step 6: Final answer
    x = 196,920.45

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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.