Home / 126,544-174,615.56-69,947.68

Finding the Fourth Proportional to 126,544, 174,615.56 and 69,947.68

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Solution

The fourth proportional to 126,544, 174,615.56 and 69,947.68 is: 96,519.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,544 : 174,615.56 = 69,947.68 : x
  2. Step 2: Convert to fraction form
    126,544/174,615.56 = 69,947.68/x
  3. Step 3: Cross multiply
    126,544x = 174,615.56 × 69,947.68
  4. Step 4: Simplify right side
    126,544x = 12,213,953,313.90
  5. Step 5: Solve for x
    x = 12,213,953,313.90/126,544
  6. Step 6: Final answer
    x = 96,519.42

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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.