Home / 140,723.35-210,624.23-109,388.95

Finding the Fourth Proportional to 140,723.35, 210,624.23 and 109,388.95

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Solution

The fourth proportional to 140,723.35, 210,624.23 and 109,388.95 is: 163,725.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,723.35 : 210,624.23 = 109,388.95 : x
  2. Step 2: Convert to fraction form
    140,723.35/210,624.23 = 109,388.95/x
  3. Step 3: Cross multiply
    140,723.35x = 210,624.23 × 109,388.95
  4. Step 4: Simplify right side
    140,723.35x = 23,039,962,817.31
  5. Step 5: Solve for x
    x = 23,039,962,817.31/140,723.35
  6. Step 6: Final answer
    x = 163,725.23

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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.