Home / 213,780.19-295,012.12-116,983.66

Finding the Fourth Proportional to 213,780.19, 295,012.12 and 116,983.66

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Solution

The fourth proportional to 213,780.19, 295,012.12 and 116,983.66 is: 161,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,780.19 : 295,012.12 = 116,983.66 : x
  2. Step 2: Convert to fraction form
    213,780.19/295,012.12 = 116,983.66/x
  3. Step 3: Cross multiply
    213,780.19x = 295,012.12 × 116,983.66
  4. Step 4: Simplify right side
    213,780.19x = 34,511,598,114.18
  5. Step 5: Solve for x
    x = 34,511,598,114.18/213,780.19
  6. Step 6: Final answer
    x = 161,434.97

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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.