Home / 127,321.04-190,046.98-117,938

Finding the Fourth Proportional to 127,321.04, 190,046.98 and 117,938

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Solution

The fourth proportional to 127,321.04, 190,046.98 and 117,938 is: 176,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,321.04 : 190,046.98 = 117,938 : x
  2. Step 2: Convert to fraction form
    127,321.04/190,046.98 = 117,938/x
  3. Step 3: Cross multiply
    127,321.04x = 190,046.98 × 117,938
  4. Step 4: Simplify right side
    127,321.04x = 22,413,760,727.24
  5. Step 5: Solve for x
    x = 22,413,760,727.24/127,321.04
  6. Step 6: Final answer
    x = 176,041.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.