Home / 100,977.54-151,460.83-30,856.86

Finding the Fourth Proportional to 100,977.54, 151,460.83 and 30,856.86

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Solution

The fourth proportional to 100,977.54, 151,460.83 and 30,856.86 is: 46,283.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,977.54 : 151,460.83 = 30,856.86 : x
  2. Step 2: Convert to fraction form
    100,977.54/151,460.83 = 30,856.86/x
  3. Step 3: Cross multiply
    100,977.54x = 151,460.83 × 30,856.86
  4. Step 4: Simplify right side
    100,977.54x = 4,673,605,626.79
  5. Step 5: Solve for x
    x = 4,673,605,626.79/100,977.54
  6. Step 6: Final answer
    x = 46,283.62

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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.