Home / 126,256.77-174,986.79-123,894.81

Finding the Fourth Proportional to 126,256.77, 174,986.79 and 123,894.81

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Solution

The fourth proportional to 126,256.77, 174,986.79 and 123,894.81 is: 171,713.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,256.77 : 174,986.79 = 123,894.81 : x
  2. Step 2: Convert to fraction form
    126,256.77/174,986.79 = 123,894.81/x
  3. Step 3: Cross multiply
    126,256.77x = 174,986.79 × 123,894.81
  4. Step 4: Simplify right side
    126,256.77x = 21,679,955,099.56
  5. Step 5: Solve for x
    x = 21,679,955,099.56/126,256.77
  6. Step 6: Final answer
    x = 171,713.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.