Home / 213,146.30-319,683.10-70,975.44

Finding the Fourth Proportional to 213,146.30, 319,683.10 and 70,975.44

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Solution

The fourth proportional to 213,146.30, 319,683.10 and 70,975.44 is: 106,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,146.30 : 319,683.10 = 70,975.44 : x
  2. Step 2: Convert to fraction form
    213,146.30/319,683.10 = 70,975.44/x
  3. Step 3: Cross multiply
    213,146.30x = 319,683.10 × 70,975.44
  4. Step 4: Simplify right side
    213,146.30x = 22,689,648,683.06
  5. Step 5: Solve for x
    x = 22,689,648,683.06/213,146.30
  6. Step 6: Final answer
    x = 106,451.06

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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.