Home / 140,322.20-210,566.36-51,638

Finding the Fourth Proportional to 140,322.20, 210,566.36 and 51,638

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Solution

The fourth proportional to 140,322.20, 210,566.36 and 51,638 is: 77,487.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,322.20 : 210,566.36 = 51,638 : x
  2. Step 2: Convert to fraction form
    140,322.20/210,566.36 = 51,638/x
  3. Step 3: Cross multiply
    140,322.20x = 210,566.36 × 51,638
  4. Step 4: Simplify right side
    140,322.20x = 10,873,225,697.68
  5. Step 5: Solve for x
    x = 10,873,225,697.68/140,322.20
  6. Step 6: Final answer
    x = 77,487.57

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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.