Home / 213,141.11-319,486.38-70,948.44

Finding the Fourth Proportional to 213,141.11, 319,486.38 and 70,948.44

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Solution

The fourth proportional to 213,141.11, 319,486.38 and 70,948.44 is: 106,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,141.11 : 319,486.38 = 70,948.44 : x
  2. Step 2: Convert to fraction form
    213,141.11/319,486.38 = 70,948.44/x
  3. Step 3: Cross multiply
    213,141.11x = 319,486.38 × 70,948.44
  4. Step 4: Simplify right side
    213,141.11x = 22,667,060,262.25
  5. Step 5: Solve for x
    x = 22,667,060,262.25/213,141.11
  6. Step 6: Final answer
    x = 106,347.67

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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.