Home / 140,624.48-210,931.20-51,839.60

Finding the Fourth Proportional to 140,624.48, 210,931.20 and 51,839.60

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Solution

The fourth proportional to 140,624.48, 210,931.20 and 51,839.60 is: 77,757.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,624.48 : 210,931.20 = 51,839.60 : x
  2. Step 2: Convert to fraction form
    140,624.48/210,931.20 = 51,839.60/x
  3. Step 3: Cross multiply
    140,624.48x = 210,931.20 × 51,839.60
  4. Step 4: Simplify right side
    140,624.48x = 10,934,589,035.52
  5. Step 5: Solve for x
    x = 10,934,589,035.52/140,624.48
  6. Step 6: Final answer
    x = 77,757.37

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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.