Home / 342,232.20-513,383.50-129,179.57

Finding the Fourth Proportional to 342,232.20, 513,383.50 and 129,179.57

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Solution

The fourth proportional to 342,232.20, 513,383.50 and 129,179.57 is: 193,782.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,232.20 : 513,383.50 = 129,179.57 : x
  2. Step 2: Convert to fraction form
    342,232.20/513,383.50 = 129,179.57/x
  3. Step 3: Cross multiply
    342,232.20x = 513,383.50 × 129,179.57
  4. Step 4: Simplify right side
    342,232.20x = 66,318,657,369.65
  5. Step 5: Solve for x
    x = 66,318,657,369.65/342,232.20
  6. Step 6: Final answer
    x = 193,782.63

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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.