Home / 216,743.16-299,093.92-119,942.76

Finding the Fourth Proportional to 216,743.16, 299,093.92 and 119,942.76

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Solution

The fourth proportional to 216,743.16, 299,093.92 and 119,942.76 is: 165,514.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,743.16 : 299,093.92 = 119,942.76 : x
  2. Step 2: Convert to fraction form
    216,743.16/299,093.92 = 119,942.76/x
  3. Step 3: Cross multiply
    216,743.16x = 299,093.92 × 119,942.76
  4. Step 4: Simplify right side
    216,743.16x = 35,874,150,264.02
  5. Step 5: Solve for x
    x = 35,874,150,264.02/216,743.16
  6. Step 6: Final answer
    x = 165,514.57

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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.