Home / 140,496.90-210,672.45-51,704.70

Finding the Fourth Proportional to 140,496.90, 210,672.45 and 51,704.70

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Solution

The fourth proportional to 140,496.90, 210,672.45 and 51,704.70 is: 77,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,496.90 : 210,672.45 = 51,704.70 : x
  2. Step 2: Convert to fraction form
    140,496.90/210,672.45 = 51,704.70/x
  3. Step 3: Cross multiply
    140,496.90x = 210,672.45 × 51,704.70
  4. Step 4: Simplify right side
    140,496.90x = 10,892,755,825.52
  5. Step 5: Solve for x
    x = 10,892,755,825.52/140,496.90
  6. Step 6: Final answer
    x = 77,530.22

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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.