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Finding the Fourth Proportional to 188,100.96, 259,582.50 and 103,225.92

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Solution

The fourth proportional to 188,100.96, 259,582.50 and 103,225.92 is: 142,453.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,100.96 : 259,582.50 = 103,225.92 : x
  2. Step 2: Convert to fraction form
    188,100.96/259,582.50 = 103,225.92/x
  3. Step 3: Cross multiply
    188,100.96x = 259,582.50 × 103,225.92
  4. Step 4: Simplify right side
    188,100.96x = 26,795,642,378.40
  5. Step 5: Solve for x
    x = 26,795,642,378.40/188,100.96
  6. Step 6: Final answer
    x = 142,453.51

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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.