Home / 188,035.20-259,490.64-103,150.56

Finding the Fourth Proportional to 188,035.20, 259,490.64 and 103,150.56

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Solution

The fourth proportional to 188,035.20, 259,490.64 and 103,150.56 is: 142,348.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,035.20 : 259,490.64 = 103,150.56 : x
  2. Step 2: Convert to fraction form
    188,035.20/259,490.64 = 103,150.56/x
  3. Step 3: Cross multiply
    188,035.20x = 259,490.64 × 103,150.56
  4. Step 4: Simplify right side
    188,035.20x = 26,766,604,830.76
  5. Step 5: Solve for x
    x = 26,766,604,830.76/188,035.20
  6. Step 6: Final answer
    x = 142,348.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.