Home / 212,131.47-318,230.01-132,108.23

Finding the Fourth Proportional to 212,131.47, 318,230.01 and 132,108.23

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Solution

The fourth proportional to 212,131.47, 318,230.01 and 132,108.23 is: 198,182.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,131.47 : 318,230.01 = 132,108.23 : x
  2. Step 2: Convert to fraction form
    212,131.47/318,230.01 = 132,108.23/x
  3. Step 3: Cross multiply
    212,131.47x = 318,230.01 × 132,108.23
  4. Step 4: Simplify right side
    212,131.47x = 42,040,803,353.98
  5. Step 5: Solve for x
    x = 42,040,803,353.98/212,131.47
  6. Step 6: Final answer
    x = 198,182.77

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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.