Home / 133,074.90-199,758.15-83,211.30

Finding the Fourth Proportional to 133,074.90, 199,758.15 and 83,211.30

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Solution

The fourth proportional to 133,074.90, 199,758.15 and 83,211.30 is: 124,908.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,074.90 : 199,758.15 = 83,211.30 : x
  2. Step 2: Convert to fraction form
    133,074.90/199,758.15 = 83,211.30/x
  3. Step 3: Cross multiply
    133,074.90x = 199,758.15 × 83,211.30
  4. Step 4: Simplify right side
    133,074.90x = 16,622,135,347.10
  5. Step 5: Solve for x
    x = 16,622,135,347.10/133,074.90
  6. Step 6: Final answer
    x = 124,908.12

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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.