Home / 216,939.27-299,377.37-120,146.29

Finding the Fourth Proportional to 216,939.27, 299,377.37 and 120,146.29

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Solution

The fourth proportional to 216,939.27, 299,377.37 and 120,146.29 is: 165,802.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,939.27 : 299,377.37 = 120,146.29 : x
  2. Step 2: Convert to fraction form
    216,939.27/299,377.37 = 120,146.29/x
  3. Step 3: Cross multiply
    216,939.27x = 299,377.37 × 120,146.29
  4. Step 4: Simplify right side
    216,939.27x = 35,969,079,714.73
  5. Step 5: Solve for x
    x = 35,969,079,714.73/216,939.27
  6. Step 6: Final answer
    x = 165,802.53

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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.