Home / 216,391.18-298,615.44-131,535.58

Finding the Fourth Proportional to 216,391.18, 298,615.44 and 131,535.58

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Solution

The fourth proportional to 216,391.18, 298,615.44 and 131,535.58 is: 181,516.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,391.18 : 298,615.44 = 131,535.58 : x
  2. Step 2: Convert to fraction form
    216,391.18/298,615.44 = 131,535.58/x
  3. Step 3: Cross multiply
    216,391.18x = 298,615.44 × 131,535.58
  4. Step 4: Simplify right side
    216,391.18x = 39,278,555,097.36
  5. Step 5: Solve for x
    x = 39,278,555,097.36/216,391.18
  6. Step 6: Final answer
    x = 181,516.43

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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.