Home / 126,911.28-175,137.75-69,541.48

Finding the Fourth Proportional to 126,911.28, 175,137.75 and 69,541.48

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Solution

The fourth proportional to 126,911.28, 175,137.75 and 69,541.48 is: 95,967.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,911.28 : 175,137.75 = 69,541.48 : x
  2. Step 2: Convert to fraction form
    126,911.28/175,137.75 = 69,541.48/x
  3. Step 3: Cross multiply
    126,911.28x = 175,137.75 × 69,541.48
  4. Step 4: Simplify right side
    126,911.28x = 12,179,338,338.87
  5. Step 5: Solve for x
    x = 12,179,338,338.87/126,911.28
  6. Step 6: Final answer
    x = 95,967.34

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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.