Home / 213,044.15-319,678.01-80,016.23

Finding the Fourth Proportional to 213,044.15, 319,678.01 and 80,016.23

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Solution

The fourth proportional to 213,044.15, 319,678.01 and 80,016.23 is: 120,066.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,044.15 : 319,678.01 = 80,016.23 : x
  2. Step 2: Convert to fraction form
    213,044.15/319,678.01 = 80,016.23/x
  3. Step 3: Cross multiply
    213,044.15x = 319,678.01 × 80,016.23
  4. Step 4: Simplify right side
    213,044.15x = 25,579,429,174.10
  5. Step 5: Solve for x
    x = 25,579,429,174.10/213,044.15
  6. Step 6: Final answer
    x = 120,066.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.