Home / 86,973.08-130,441.66-54,942.44

Finding the Fourth Proportional to 86,973.08, 130,441.66 and 54,942.44

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Solution

The fourth proportional to 86,973.08, 130,441.66 and 54,942.44 is: 82,402.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,973.08 : 130,441.66 = 54,942.44 : x
  2. Step 2: Convert to fraction form
    86,973.08/130,441.66 = 54,942.44/x
  3. Step 3: Cross multiply
    86,973.08x = 130,441.66 × 54,942.44
  4. Step 4: Simplify right side
    86,973.08x = 7,166,783,078.05
  5. Step 5: Solve for x
    x = 7,166,783,078.05/86,973.08
  6. Step 6: Final answer
    x = 82,402.31

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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.