Home / 140,188.80-210,231.26-50,217.48

Finding the Fourth Proportional to 140,188.80, 210,231.26 and 50,217.48

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Solution

The fourth proportional to 140,188.80, 210,231.26 and 50,217.48 is: 75,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,188.80 : 210,231.26 = 50,217.48 : x
  2. Step 2: Convert to fraction form
    140,188.80/210,231.26 = 50,217.48/x
  3. Step 3: Cross multiply
    140,188.80x = 210,231.26 × 50,217.48
  4. Step 4: Simplify right side
    140,188.80x = 10,557,284,094.42
  5. Step 5: Solve for x
    x = 10,557,284,094.42/140,188.80
  6. Step 6: Final answer
    x = 75,307.61

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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.