Home / 141,750.69-195,602.49-81,326.31

Finding the Fourth Proportional to 141,750.69, 195,602.49 and 81,326.31

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Solution

The fourth proportional to 141,750.69, 195,602.49 and 81,326.31 is: 112,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,750.69 : 195,602.49 = 81,326.31 : x
  2. Step 2: Convert to fraction form
    141,750.69/195,602.49 = 81,326.31/x
  3. Step 3: Cross multiply
    141,750.69x = 195,602.49 × 81,326.31
  4. Step 4: Simplify right side
    141,750.69x = 15,907,628,738.51
  5. Step 5: Solve for x
    x = 15,907,628,738.51/141,750.69
  6. Step 6: Final answer
    x = 112,222.58

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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.