Home / 140,239.64-210,234.41-51,472.55

Finding the Fourth Proportional to 140,239.64, 210,234.41 and 51,472.55

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Solution

The fourth proportional to 140,239.64, 210,234.41 and 51,472.55 is: 77,162.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,239.64 : 210,234.41 = 51,472.55 : x
  2. Step 2: Convert to fraction form
    140,239.64/210,234.41 = 51,472.55/x
  3. Step 3: Cross multiply
    140,239.64x = 210,234.41 × 51,472.55
  4. Step 4: Simplify right side
    140,239.64x = 10,821,300,129.27
  5. Step 5: Solve for x
    x = 10,821,300,129.27/140,239.64
  6. Step 6: Final answer
    x = 77,162.92

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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.