Home / 211,999.05-318,045.33-117,367.20

Finding the Fourth Proportional to 211,999.05, 318,045.33 and 117,367.20

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Solution

The fourth proportional to 211,999.05, 318,045.33 and 117,367.20 is: 176,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,999.05 : 318,045.33 = 117,367.20 : x
  2. Step 2: Convert to fraction form
    211,999.05/318,045.33 = 117,367.20/x
  3. Step 3: Cross multiply
    211,999.05x = 318,045.33 × 117,367.20
  4. Step 4: Simplify right side
    211,999.05x = 37,328,089,855.18
  5. Step 5: Solve for x
    x = 37,328,089,855.18/211,999.05
  6. Step 6: Final answer
    x = 176,076.68

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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.