Home / 167,321.10-230,903.49-90,840.30

Finding the Fourth Proportional to 167,321.10, 230,903.49 and 90,840.30

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Solution

The fourth proportional to 167,321.10, 230,903.49 and 90,840.30 is: 125,359.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,321.10 : 230,903.49 = 90,840.30 : x
  2. Step 2: Convert to fraction form
    167,321.10/230,903.49 = 90,840.30/x
  3. Step 3: Cross multiply
    167,321.10x = 230,903.49 × 90,840.30
  4. Step 4: Simplify right side
    167,321.10x = 20,975,342,302.65
  5. Step 5: Solve for x
    x = 20,975,342,302.65/167,321.10
  6. Step 6: Final answer
    x = 125,359.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.