Home / 212,789.48-319,075.44-70,583.42

Finding the Fourth Proportional to 212,789.48, 319,075.44 and 70,583.42

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Solution

The fourth proportional to 212,789.48, 319,075.44 and 70,583.42 is: 105,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,789.48 : 319,075.44 = 70,583.42 : x
  2. Step 2: Convert to fraction form
    212,789.48/319,075.44 = 70,583.42/x
  3. Step 3: Cross multiply
    212,789.48x = 319,075.44 × 70,583.42
  4. Step 4: Simplify right side
    212,789.48x = 22,521,435,793.20
  5. Step 5: Solve for x
    x = 22,521,435,793.20/212,789.48
  6. Step 6: Final answer
    x = 105,839.05

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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.