Home / 144,867.78-199,901.52-80,335.40

Finding the Fourth Proportional to 144,867.78, 199,901.52 and 80,335.40

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Solution

The fourth proportional to 144,867.78, 199,901.52 and 80,335.40 is: 110,853.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,867.78 : 199,901.52 = 80,335.40 : x
  2. Step 2: Convert to fraction form
    144,867.78/199,901.52 = 80,335.40/x
  3. Step 3: Cross multiply
    144,867.78x = 199,901.52 × 80,335.40
  4. Step 4: Simplify right side
    144,867.78x = 16,059,167,570.30
  5. Step 5: Solve for x
    x = 16,059,167,570.30/144,867.78
  6. Step 6: Final answer
    x = 110,853.96

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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.