Home / 499,183.76-748,775.63-120,104.50

Finding the Fourth Proportional to 499,183.76, 748,775.63 and 120,104.50

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Solution

The fourth proportional to 499,183.76, 748,775.63 and 120,104.50 is: 180,156.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,183.76 : 748,775.63 = 120,104.50 : x
  2. Step 2: Convert to fraction form
    499,183.76/748,775.63 = 120,104.50/x
  3. Step 3: Cross multiply
    499,183.76x = 748,775.63 × 120,104.50
  4. Step 4: Simplify right side
    499,183.76x = 89,931,322,653.34
  5. Step 5: Solve for x
    x = 89,931,322,653.34/499,183.76
  6. Step 6: Final answer
    x = 180,156.75

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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.