Home / 140,616.35-210,881.06-40,783.88

Finding the Fourth Proportional to 140,616.35, 210,881.06 and 40,783.88

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Solution

The fourth proportional to 140,616.35, 210,881.06 and 40,783.88 is: 61,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,616.35 : 210,881.06 = 40,783.88 : x
  2. Step 2: Convert to fraction form
    140,616.35/210,881.06 = 40,783.88/x
  3. Step 3: Cross multiply
    140,616.35x = 210,881.06 × 40,783.88
  4. Step 4: Simplify right side
    140,616.35x = 8,600,546,586.99
  5. Step 5: Solve for x
    x = 8,600,546,586.99/140,616.35
  6. Step 6: Final answer
    x = 61,163.21

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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.