Home / 127,549.47-175,998.36-73,824

Finding the Fourth Proportional to 127,549.47, 175,998.36 and 73,824

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Solution

The fourth proportional to 127,549.47, 175,998.36 and 73,824 is: 101,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,549.47 : 175,998.36 = 73,824 : x
  2. Step 2: Convert to fraction form
    127,549.47/175,998.36 = 73,824/x
  3. Step 3: Cross multiply
    127,549.47x = 175,998.36 × 73,824
  4. Step 4: Simplify right side
    127,549.47x = 12,992,902,928.64
  5. Step 5: Solve for x
    x = 12,992,902,928.64/127,549.47
  6. Step 6: Final answer
    x = 101,865.60

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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.