Home / 151,907.23-209,631.97-84,839.23

Finding the Fourth Proportional to 151,907.23, 209,631.97 and 84,839.23

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Solution

The fourth proportional to 151,907.23, 209,631.97 and 84,839.23 is: 117,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,907.23 : 209,631.97 = 84,839.23 : x
  2. Step 2: Convert to fraction form
    151,907.23/209,631.97 = 84,839.23/x
  3. Step 3: Cross multiply
    151,907.23x = 209,631.97 × 84,839.23
  4. Step 4: Simplify right side
    151,907.23x = 17,785,014,918.18
  5. Step 5: Solve for x
    x = 17,785,014,918.18/151,907.23
  6. Step 6: Final answer
    x = 117,078.13

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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.