Home / 127,185.09-190,781.73-63,970.71

Finding the Fourth Proportional to 127,185.09, 190,781.73 and 63,970.71

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Solution

The fourth proportional to 127,185.09, 190,781.73 and 63,970.71 is: 95,958.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,185.09 : 190,781.73 = 63,970.71 : x
  2. Step 2: Convert to fraction form
    127,185.09/190,781.73 = 63,970.71/x
  3. Step 3: Cross multiply
    127,185.09x = 190,781.73 × 63,970.71
  4. Step 4: Simplify right side
    127,185.09x = 12,204,443,080.84
  5. Step 5: Solve for x
    x = 12,204,443,080.84/127,185.09
  6. Step 6: Final answer
    x = 95,958.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.