Home / 86,850.36-130,231.70-30,682.04

Finding the Fourth Proportional to 86,850.36, 130,231.70 and 30,682.04

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Solution

The fourth proportional to 86,850.36, 130,231.70 and 30,682.04 is: 46,007.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,850.36 : 130,231.70 = 30,682.04 : x
  2. Step 2: Convert to fraction form
    86,850.36/130,231.70 = 30,682.04/x
  3. Step 3: Cross multiply
    86,850.36x = 130,231.70 × 30,682.04
  4. Step 4: Simplify right side
    86,850.36x = 3,995,774,228.67
  5. Step 5: Solve for x
    x = 3,995,774,228.67/86,850.36
  6. Step 6: Final answer
    x = 46,007.57

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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.