Home / 144,759.43-199,771.95-81,095.86

Finding the Fourth Proportional to 144,759.43, 199,771.95 and 81,095.86

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Solution

The fourth proportional to 144,759.43, 199,771.95 and 81,095.86 is: 111,914.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,759.43 : 199,771.95 = 81,095.86 : x
  2. Step 2: Convert to fraction form
    144,759.43/199,771.95 = 81,095.86/x
  3. Step 3: Cross multiply
    144,759.43x = 199,771.95 × 81,095.86
  4. Step 4: Simplify right side
    144,759.43x = 16,200,678,089.13
  5. Step 5: Solve for x
    x = 16,200,678,089.13/144,759.43
  6. Step 6: Final answer
    x = 111,914.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.