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Finding the Fourth Proportional to 188,041.91, 259,211.44 and 159,255.52

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Solution

The fourth proportional to 188,041.91, 259,211.44 and 159,255.52 is: 219,530.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,041.91 : 259,211.44 = 159,255.52 : x
  2. Step 2: Convert to fraction form
    188,041.91/259,211.44 = 159,255.52/x
  3. Step 3: Cross multiply
    188,041.91x = 259,211.44 × 159,255.52
  4. Step 4: Simplify right side
    188,041.91x = 41,280,852,218.19
  5. Step 5: Solve for x
    x = 41,280,852,218.19/188,041.91
  6. Step 6: Final answer
    x = 219,530.07

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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.