Home / 213,032.18-319,713.27-80,033.30

Finding the Fourth Proportional to 213,032.18, 319,713.27 and 80,033.30

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Solution

The fourth proportional to 213,032.18, 319,713.27 and 80,033.30 is: 120,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,032.18 : 319,713.27 = 80,033.30 : x
  2. Step 2: Convert to fraction form
    213,032.18/319,713.27 = 80,033.30/x
  3. Step 3: Cross multiply
    213,032.18x = 319,713.27 × 80,033.30
  4. Step 4: Simplify right side
    213,032.18x = 25,587,708,051.89
  5. Step 5: Solve for x
    x = 25,587,708,051.89/213,032.18
  6. Step 6: Final answer
    x = 120,111.94

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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.