Home / 127,765.04-175,038.73-122,976.49

Finding the Fourth Proportional to 127,765.04, 175,038.73 and 122,976.49

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Solution

The fourth proportional to 127,765.04, 175,038.73 and 122,976.49 is: 168,478.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,765.04 : 175,038.73 = 122,976.49 : x
  2. Step 2: Convert to fraction form
    127,765.04/175,038.73 = 122,976.49/x
  3. Step 3: Cross multiply
    127,765.04x = 175,038.73 × 122,976.49
  4. Step 4: Simplify right side
    127,765.04x = 21,525,648,629.46
  5. Step 5: Solve for x
    x = 21,525,648,629.46/127,765.04
  6. Step 6: Final answer
    x = 168,478.39

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.