Home / 212,542.98-318,833.10-54,771.18

Finding the Fourth Proportional to 212,542.98, 318,833.10 and 54,771.18

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Solution

The fourth proportional to 212,542.98, 318,833.10 and 54,771.18 is: 82,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,542.98 : 318,833.10 = 54,771.18 : x
  2. Step 2: Convert to fraction form
    212,542.98/318,833.10 = 54,771.18/x
  3. Step 3: Cross multiply
    212,542.98x = 318,833.10 × 54,771.18
  4. Step 4: Simplify right side
    212,542.98x = 17,462,865,110.06
  5. Step 5: Solve for x
    x = 17,462,865,110.06/212,542.98
  6. Step 6: Final answer
    x = 82,161.57

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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.