Home / 140,282.57-210,453.41-45,505.35

Finding the Fourth Proportional to 140,282.57, 210,453.41 and 45,505.35

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Solution

The fourth proportional to 140,282.57, 210,453.41 and 45,505.35 is: 68,267.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,282.57 : 210,453.41 = 45,505.35 : x
  2. Step 2: Convert to fraction form
    140,282.57/210,453.41 = 45,505.35/x
  3. Step 3: Cross multiply
    140,282.57x = 210,453.41 × 45,505.35
  4. Step 4: Simplify right side
    140,282.57x = 9,576,755,853.22
  5. Step 5: Solve for x
    x = 9,576,755,853.22/140,282.57
  6. Step 6: Final answer
    x = 68,267.61

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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.