Home / 126,918.83-175,141.98-75,959.64

Finding the Fourth Proportional to 126,918.83, 175,141.98 and 75,959.64

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Solution

The fourth proportional to 126,918.83, 175,141.98 and 75,959.64 is: 104,820.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,918.83 : 175,141.98 = 75,959.64 : x
  2. Step 2: Convert to fraction form
    126,918.83/175,141.98 = 75,959.64/x
  3. Step 3: Cross multiply
    126,918.83x = 175,141.98 × 75,959.64
  4. Step 4: Simplify right side
    126,918.83x = 13,303,721,749.69
  5. Step 5: Solve for x
    x = 13,303,721,749.69/126,918.83
  6. Step 6: Final answer
    x = 104,820.71

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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.