Home / 109,964.80-165,044.40-94,218.40

Finding the Fourth Proportional to 109,964.80, 165,044.40 and 94,218.40

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Solution

The fourth proportional to 109,964.80, 165,044.40 and 94,218.40 is: 141,410.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,964.80 : 165,044.40 = 94,218.40 : x
  2. Step 2: Convert to fraction form
    109,964.80/165,044.40 = 94,218.40/x
  3. Step 3: Cross multiply
    109,964.80x = 165,044.40 × 94,218.40
  4. Step 4: Simplify right side
    109,964.80x = 15,550,219,296.96
  5. Step 5: Solve for x
    x = 15,550,219,296.96/109,964.80
  6. Step 6: Final answer
    x = 141,410.88

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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.