Home / 140,501.21-210,653.24-51,743.33

Finding the Fourth Proportional to 140,501.21, 210,653.24 and 51,743.33

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Solution

The fourth proportional to 140,501.21, 210,653.24 and 51,743.33 is: 77,578.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,501.21 : 210,653.24 = 51,743.33 : x
  2. Step 2: Convert to fraction form
    140,501.21/210,653.24 = 51,743.33/x
  3. Step 3: Cross multiply
    140,501.21x = 210,653.24 × 51,743.33
  4. Step 4: Simplify right side
    140,501.21x = 10,899,898,800.91
  5. Step 5: Solve for x
    x = 10,899,898,800.91/140,501.21
  6. Step 6: Final answer
    x = 77,578.68

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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.