Home / 140,004.99-209,923.02-55,778.15

Finding the Fourth Proportional to 140,004.99, 209,923.02 and 55,778.15

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Solution

The fourth proportional to 140,004.99, 209,923.02 and 55,778.15 is: 83,633.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,004.99 : 209,923.02 = 55,778.15 : x
  2. Step 2: Convert to fraction form
    140,004.99/209,923.02 = 55,778.15/x
  3. Step 3: Cross multiply
    140,004.99x = 209,923.02 × 55,778.15
  4. Step 4: Simplify right side
    140,004.99x = 11,709,118,222.82
  5. Step 5: Solve for x
    x = 11,709,118,222.82/140,004.99
  6. Step 6: Final answer
    x = 83,633.58

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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.