Home / 127,291.20-175,622.32-73,556.64

Finding the Fourth Proportional to 127,291.20, 175,622.32 and 73,556.64

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Solution

The fourth proportional to 127,291.20, 175,622.32 and 73,556.64 is: 101,485.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,291.20 : 175,622.32 = 73,556.64 : x
  2. Step 2: Convert to fraction form
    127,291.20/175,622.32 = 73,556.64/x
  3. Step 3: Cross multiply
    127,291.20x = 175,622.32 × 73,556.64
  4. Step 4: Simplify right side
    127,291.20x = 12,918,187,768.20
  5. Step 5: Solve for x
    x = 12,918,187,768.20/127,291.20
  6. Step 6: Final answer
    x = 101,485.32

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1.5x scale

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.