Home / 140,002.78-210,004.92-34,821.75

Finding the Fourth Proportional to 140,002.78, 210,004.92 and 34,821.75

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Solution

The fourth proportional to 140,002.78, 210,004.92 and 34,821.75 is: 52,232.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,002.78 : 210,004.92 = 34,821.75 : x
  2. Step 2: Convert to fraction form
    140,002.78/210,004.92 = 34,821.75/x
  3. Step 3: Cross multiply
    140,002.78x = 210,004.92 × 34,821.75
  4. Step 4: Simplify right side
    140,002.78x = 7,312,738,823.01
  5. Step 5: Solve for x
    x = 7,312,738,823.01/140,002.78
  6. Step 6: Final answer
    x = 52,232.81

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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.