Home / 100,887.43-151,330.73-30,766.54

Finding the Fourth Proportional to 100,887.43, 151,330.73 and 30,766.54

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Solution

The fourth proportional to 100,887.43, 151,330.73 and 30,766.54 is: 46,149.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,887.43 : 151,330.73 = 30,766.54 : x
  2. Step 2: Convert to fraction form
    100,887.43/151,330.73 = 30,766.54/x
  3. Step 3: Cross multiply
    100,887.43x = 151,330.73 × 30,766.54
  4. Step 4: Simplify right side
    100,887.43x = 4,655,922,957.77
  5. Step 5: Solve for x
    x = 4,655,922,957.77/100,887.43
  6. Step 6: Final answer
    x = 46,149.68

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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.