Home / 217,633.02-300,525.75-137,195.34

Finding the Fourth Proportional to 217,633.02, 300,525.75 and 137,195.34

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Solution

The fourth proportional to 217,633.02, 300,525.75 and 137,195.34 is: 189,450.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,633.02 : 300,525.75 = 137,195.34 : x
  2. Step 2: Convert to fraction form
    217,633.02/300,525.75 = 137,195.34/x
  3. Step 3: Cross multiply
    217,633.02x = 300,525.75 × 137,195.34
  4. Step 4: Simplify right side
    217,633.02x = 41,230,732,450.01
  5. Step 5: Solve for x
    x = 41,230,732,450.01/217,633.02
  6. Step 6: Final answer
    x = 189,450.72

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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.