Home / 109,845.20-164,758.20-35,973.20

Finding the Fourth Proportional to 109,845.20, 164,758.20 and 35,973.20

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Solution

The fourth proportional to 109,845.20, 164,758.20 and 35,973.20 is: 53,956.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,845.20 : 164,758.20 = 35,973.20 : x
  2. Step 2: Convert to fraction form
    109,845.20/164,758.20 = 35,973.20/x
  3. Step 3: Cross multiply
    109,845.20x = 164,758.20 × 35,973.20
  4. Step 4: Simplify right side
    109,845.20x = 5,926,879,680.24
  5. Step 5: Solve for x
    x = 5,926,879,680.24/109,845.20
  6. Step 6: Final answer
    x = 53,956.66

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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.