Home / 136,212.26-187,979.04-113,513.25

Finding the Fourth Proportional to 136,212.26, 187,979.04 and 113,513.25

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Solution

The fourth proportional to 136,212.26, 187,979.04 and 113,513.25 is: 156,653.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,212.26 : 187,979.04 = 113,513.25 : x
  2. Step 2: Convert to fraction form
    136,212.26/187,979.04 = 113,513.25/x
  3. Step 3: Cross multiply
    136,212.26x = 187,979.04 × 113,513.25
  4. Step 4: Simplify right side
    136,212.26x = 21,338,111,762.28
  5. Step 5: Solve for x
    x = 21,338,111,762.28/136,212.26
  6. Step 6: Final answer
    x = 156,653.39

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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.