Home / 144,817.26-199,848.81-80,288.47

Finding the Fourth Proportional to 144,817.26, 199,848.81 and 80,288.47

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Solution

The fourth proportional to 144,817.26, 199,848.81 and 80,288.47 is: 110,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,817.26 : 199,848.81 = 80,288.47 : x
  2. Step 2: Convert to fraction form
    144,817.26/199,848.81 = 80,288.47/x
  3. Step 3: Cross multiply
    144,817.26x = 199,848.81 × 80,288.47
  4. Step 4: Simplify right side
    144,817.26x = 16,045,555,186.22
  5. Step 5: Solve for x
    x = 16,045,555,186.22/144,817.26
  6. Step 6: Final answer
    x = 110,798.64

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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.