Home / 91,149.51-125,786.09-50,862.85

Finding the Fourth Proportional to 91,149.51, 125,786.09 and 50,862.85

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Solution

The fourth proportional to 91,149.51, 125,786.09 and 50,862.85 is: 70,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,149.51 : 125,786.09 = 50,862.85 : x
  2. Step 2: Convert to fraction form
    91,149.51/125,786.09 = 50,862.85/x
  3. Step 3: Cross multiply
    91,149.51x = 125,786.09 × 50,862.85
  4. Step 4: Simplify right side
    91,149.51x = 6,397,838,840.45
  5. Step 5: Solve for x
    x = 6,397,838,840.45/91,149.51
  6. Step 6: Final answer
    x = 70,190.60

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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.