Home / 140,574.24-210,943.92-51,834.66

Finding the Fourth Proportional to 140,574.24, 210,943.92 and 51,834.66

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Solution

The fourth proportional to 140,574.24, 210,943.92 and 51,834.66 is: 77,782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,574.24 : 210,943.92 = 51,834.66 : x
  2. Step 2: Convert to fraction form
    140,574.24/210,943.92 = 51,834.66/x
  3. Step 3: Cross multiply
    140,574.24x = 210,943.92 × 51,834.66
  4. Step 4: Simplify right side
    140,574.24x = 10,934,206,372.27
  5. Step 5: Solve for x
    x = 10,934,206,372.27/140,574.24
  6. Step 6: Final answer
    x = 77,782.43

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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.