Home / 86,923.02-130,163.96-72,846.02

Finding the Fourth Proportional to 86,923.02, 130,163.96 and 72,846.02

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Solution

The fourth proportional to 86,923.02, 130,163.96 and 72,846.02 is: 109,084.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,923.02 : 130,163.96 = 72,846.02 : x
  2. Step 2: Convert to fraction form
    86,923.02/130,163.96 = 72,846.02/x
  3. Step 3: Cross multiply
    86,923.02x = 130,163.96 × 72,846.02
  4. Step 4: Simplify right side
    86,923.02x = 9,481,926,433.44
  5. Step 5: Solve for x
    x = 9,481,926,433.44/86,923.02
  6. Step 6: Final answer
    x = 109,084.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.