Home / 284,120.36-426,069.74-106,530.60

Finding the Fourth Proportional to 284,120.36, 426,069.74 and 106,530.60

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Solution

The fourth proportional to 284,120.36, 426,069.74 and 106,530.60 is: 159,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,120.36 : 426,069.74 = 106,530.60 : x
  2. Step 2: Convert to fraction form
    284,120.36/426,069.74 = 106,530.60/x
  3. Step 3: Cross multiply
    284,120.36x = 426,069.74 × 106,530.60
  4. Step 4: Simplify right side
    284,120.36x = 45,389,465,044.04
  5. Step 5: Solve for x
    x = 45,389,465,044.04/284,120.36
  6. Step 6: Final answer
    x = 159,754.36

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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.