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Finding the Fourth Proportional to 188,303.64, 259,795.77 and 106,620.76

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Solution

The fourth proportional to 188,303.64, 259,795.77 and 106,620.76 is: 147,100.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,303.64 : 259,795.77 = 106,620.76 : x
  2. Step 2: Convert to fraction form
    188,303.64/259,795.77 = 106,620.76/x
  3. Step 3: Cross multiply
    188,303.64x = 259,795.77 × 106,620.76
  4. Step 4: Simplify right side
    188,303.64x = 27,699,622,966.84
  5. Step 5: Solve for x
    x = 27,699,622,966.84/188,303.64
  6. Step 6: Final answer
    x = 147,100.84

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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.