Home / 91,146.18-125,781.48-50,859.50

Finding the Fourth Proportional to 91,146.18, 125,781.48 and 50,859.50

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Solution

The fourth proportional to 91,146.18, 125,781.48 and 50,859.50 is: 70,185.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,146.18 : 125,781.48 = 50,859.50 : x
  2. Step 2: Convert to fraction form
    91,146.18/125,781.48 = 50,859.50/x
  3. Step 3: Cross multiply
    91,146.18x = 125,781.48 × 50,859.50
  4. Step 4: Simplify right side
    91,146.18x = 6,397,183,182.06
  5. Step 5: Solve for x
    x = 6,397,183,182.06/91,146.18
  6. Step 6: Final answer
    x = 70,185.97

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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.