Home / 140,311.28-210,189.36-73,651.52

Finding the Fourth Proportional to 140,311.28, 210,189.36 and 73,651.52

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Solution

The fourth proportional to 140,311.28, 210,189.36 and 73,651.52 is: 110,331.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,311.28 : 210,189.36 = 73,651.52 : x
  2. Step 2: Convert to fraction form
    140,311.28/210,189.36 = 73,651.52/x
  3. Step 3: Cross multiply
    140,311.28x = 210,189.36 × 73,651.52
  4. Step 4: Simplify right side
    140,311.28x = 15,480,765,851.83
  5. Step 5: Solve for x
    x = 15,480,765,851.83/140,311.28
  6. Step 6: Final answer
    x = 110,331.58

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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.