Home / 213,074.02-319,527.96-79,881.67

Finding the Fourth Proportional to 213,074.02, 319,527.96 and 79,881.67

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Solution

The fourth proportional to 213,074.02, 319,527.96 and 79,881.67 is: 119,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,074.02 : 319,527.96 = 79,881.67 : x
  2. Step 2: Convert to fraction form
    213,074.02/319,527.96 = 79,881.67/x
  3. Step 3: Cross multiply
    213,074.02x = 319,527.96 × 79,881.67
  4. Step 4: Simplify right side
    213,074.02x = 25,524,427,056.49
  5. Step 5: Solve for x
    x = 25,524,427,056.49/213,074.02
  6. Step 6: Final answer
    x = 119,791.36

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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.