Home / 188,110.62-259,600.14-103,230.72

Finding the Fourth Proportional to 188,110.62, 259,600.14 and 103,230.72

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Solution

The fourth proportional to 188,110.62, 259,600.14 and 103,230.72 is: 142,462.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,110.62 : 259,600.14 = 103,230.72 : x
  2. Step 2: Convert to fraction form
    188,110.62/259,600.14 = 103,230.72/x
  3. Step 3: Cross multiply
    188,110.62x = 259,600.14 × 103,230.72
  4. Step 4: Simplify right side
    188,110.62x = 26,798,709,364.30
  5. Step 5: Solve for x
    x = 26,798,709,364.30/188,110.62
  6. Step 6: Final answer
    x = 142,462.50

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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.