Home / 188,014.60-259,443.66-107,426.08

Finding the Fourth Proportional to 188,014.60, 259,443.66 and 107,426.08

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Solution

The fourth proportional to 188,014.60, 259,443.66 and 107,426.08 is: 148,238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,014.60 : 259,443.66 = 107,426.08 : x
  2. Step 2: Convert to fraction form
    188,014.60/259,443.66 = 107,426.08/x
  3. Step 3: Cross multiply
    188,014.60x = 259,443.66 × 107,426.08
  4. Step 4: Simplify right side
    188,014.60x = 27,871,015,374.65
  5. Step 5: Solve for x
    x = 27,871,015,374.65/188,014.60
  6. Step 6: Final answer
    x = 148,238.57

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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.