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Finding the Fourth Proportional to 140,879.95, 211,354.52 and 41,041.02

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Solution

The fourth proportional to 140,879.95, 211,354.52 and 41,041.02 is: 61,571.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,879.95 : 211,354.52 = 41,041.02 : x
  2. Step 2: Convert to fraction form
    140,879.95/211,354.52 = 41,041.02/x
  3. Step 3: Cross multiply
    140,879.95x = 211,354.52 × 41,041.02
  4. Step 4: Simplify right side
    140,879.95x = 8,674,205,185.01
  5. Step 5: Solve for x
    x = 8,674,205,185.01/140,879.95
  6. Step 6: Final answer
    x = 61,571.61

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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.