Home / 136,555.26-188,476.43-88,725.57

Finding the Fourth Proportional to 136,555.26, 188,476.43 and 88,725.57

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Solution

The fourth proportional to 136,555.26, 188,476.43 and 88,725.57 is: 122,460.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,555.26 : 188,476.43 = 88,725.57 : x
  2. Step 2: Convert to fraction form
    136,555.26/188,476.43 = 88,725.57/x
  3. Step 3: Cross multiply
    136,555.26x = 188,476.43 × 88,725.57
  4. Step 4: Simplify right side
    136,555.26x = 16,722,678,683.32
  5. Step 5: Solve for x
    x = 16,722,678,683.32/136,555.26
  6. Step 6: Final answer
    x = 122,460.89

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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.