Home / 94,438.80-141,528.60-76,942.80

Finding the Fourth Proportional to 94,438.80, 141,528.60 and 76,942.80

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Solution

The fourth proportional to 94,438.80, 141,528.60 and 76,942.80 is: 115,308.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,438.80 : 141,528.60 = 76,942.80 : x
  2. Step 2: Convert to fraction form
    94,438.80/141,528.60 = 76,942.80/x
  3. Step 3: Cross multiply
    94,438.80x = 141,528.60 × 76,942.80
  4. Step 4: Simplify right side
    94,438.80x = 10,889,606,764.08
  5. Step 5: Solve for x
    x = 10,889,606,764.08/94,438.80
  6. Step 6: Final answer
    x = 115,308.61

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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.