Home / 140,004.98-209,923.02-55,778.14

Finding the Fourth Proportional to 140,004.98, 209,923.02 and 55,778.14

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Solution

The fourth proportional to 140,004.98, 209,923.02 and 55,778.14 is: 83,633.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,004.98 : 209,923.02 = 55,778.14 : x
  2. Step 2: Convert to fraction form
    140,004.98/209,923.02 = 55,778.14/x
  3. Step 3: Cross multiply
    140,004.98x = 209,923.02 × 55,778.14
  4. Step 4: Simplify right side
    140,004.98x = 11,709,115,861.19
  5. Step 5: Solve for x
    x = 11,709,115,861.19/140,004.98
  6. Step 6: Final answer
    x = 83,633.57

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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.