Home / 94,880.43-142,344-66,855.21

Finding the Fourth Proportional to 94,880.43, 142,344 and 66,855.21

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Solution

The fourth proportional to 94,880.43, 142,344 and 66,855.21 is: 100,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,880.43 : 142,344 = 66,855.21 : x
  2. Step 2: Convert to fraction form
    94,880.43/142,344 = 66,855.21/x
  3. Step 3: Cross multiply
    94,880.43x = 142,344 × 66,855.21
  4. Step 4: Simplify right side
    94,880.43x = 9,516,438,012.24
  5. Step 5: Solve for x
    x = 9,516,438,012.24/94,880.43
  6. Step 6: Final answer
    x = 100,299.27

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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.