Home / 144,823.35-199,845.30-81,148.86

Finding the Fourth Proportional to 144,823.35, 199,845.30 and 81,148.86

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Solution

The fourth proportional to 144,823.35, 199,845.30 and 81,148.86 is: 111,979.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,823.35 : 199,845.30 = 81,148.86 : x
  2. Step 2: Convert to fraction form
    144,823.35/199,845.30 = 81,148.86/x
  3. Step 3: Cross multiply
    144,823.35x = 199,845.30 × 81,148.86
  4. Step 4: Simplify right side
    144,823.35x = 16,217,218,271.36
  5. Step 5: Solve for x
    x = 16,217,218,271.36/144,823.35
  6. Step 6: Final answer
    x = 111,979.31

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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.