Home / 91,181.16-125,816.94-50,889.24

Finding the Fourth Proportional to 91,181.16, 125,816.94 and 50,889.24

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Solution

The fourth proportional to 91,181.16, 125,816.94 and 50,889.24 is: 70,219.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,181.16 : 125,816.94 = 50,889.24 : x
  2. Step 2: Convert to fraction form
    91,181.16/125,816.94 = 50,889.24/x
  3. Step 3: Cross multiply
    91,181.16x = 125,816.94 × 50,889.24
  4. Step 4: Simplify right side
    91,181.16x = 6,402,728,455.73
  5. Step 5: Solve for x
    x = 6,402,728,455.73/91,181.16
  6. Step 6: Final answer
    x = 70,219.86

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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.