Home / 90,629.10-135,957.49-46,231.64

Finding the Fourth Proportional to 90,629.10, 135,957.49 and 46,231.64

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Solution

The fourth proportional to 90,629.10, 135,957.49 and 46,231.64 is: 69,354.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,629.10 : 135,957.49 = 46,231.64 : x
  2. Step 2: Convert to fraction form
    90,629.10/135,957.49 = 46,231.64/x
  3. Step 3: Cross multiply
    90,629.10x = 135,957.49 × 46,231.64
  4. Step 4: Simplify right side
    90,629.10x = 6,285,537,065.08
  5. Step 5: Solve for x
    x = 6,285,537,065.08/90,629.10
  6. Step 6: Final answer
    x = 69,354.51

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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.