Home / 188,342.07-259,838.80-106,651.57

Finding the Fourth Proportional to 188,342.07, 259,838.80 and 106,651.57

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Solution

The fourth proportional to 188,342.07, 259,838.80 and 106,651.57 is: 147,137.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,342.07 : 259,838.80 = 106,651.57 : x
  2. Step 2: Convert to fraction form
    188,342.07/259,838.80 = 106,651.57/x
  3. Step 3: Cross multiply
    188,342.07x = 259,838.80 × 106,651.57
  4. Step 4: Simplify right side
    188,342.07x = 27,712,214,667.72
  5. Step 5: Solve for x
    x = 27,712,214,667.72/188,342.07
  6. Step 6: Final answer
    x = 147,137.68

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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.