Home / 216,516.38-298,790.78-124,653.65

Finding the Fourth Proportional to 216,516.38, 298,790.78 and 124,653.65

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Solution

The fourth proportional to 216,516.38, 298,790.78 and 124,653.65 is: 172,020.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,516.38 : 298,790.78 = 124,653.65 : x
  2. Step 2: Convert to fraction form
    216,516.38/298,790.78 = 124,653.65/x
  3. Step 3: Cross multiply
    216,516.38x = 298,790.78 × 124,653.65
  4. Step 4: Simplify right side
    216,516.38x = 37,245,359,196.12
  5. Step 5: Solve for x
    x = 37,245,359,196.12/216,516.38
  6. Step 6: Final answer
    x = 172,020.98

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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.