Home / 140,088.89-210,008.52-51,321.64

Finding the Fourth Proportional to 140,088.89, 210,008.52 and 51,321.64

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Solution

The fourth proportional to 140,088.89, 210,008.52 and 51,321.64 is: 76,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,088.89 : 210,008.52 = 51,321.64 : x
  2. Step 2: Convert to fraction form
    140,088.89/210,008.52 = 51,321.64/x
  3. Step 3: Cross multiply
    140,088.89x = 210,008.52 × 51,321.64
  4. Step 4: Simplify right side
    140,088.89x = 10,777,981,053.37
  5. Step 5: Solve for x
    x = 10,777,981,053.37/140,088.89
  6. Step 6: Final answer
    x = 76,936.73

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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.