Home / 136,268.69-188,050.79-75,853.61

Finding the Fourth Proportional to 136,268.69, 188,050.79 and 75,853.61

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Solution

The fourth proportional to 136,268.69, 188,050.79 and 75,853.61 is: 104,677.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,268.69 : 188,050.79 = 75,853.61 : x
  2. Step 2: Convert to fraction form
    136,268.69/188,050.79 = 75,853.61/x
  3. Step 3: Cross multiply
    136,268.69x = 188,050.79 × 75,853.61
  4. Step 4: Simplify right side
    136,268.69x = 14,264,330,344.60
  5. Step 5: Solve for x
    x = 14,264,330,344.60/136,268.69
  6. Step 6: Final answer
    x = 104,677.97

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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.