Home / 152,941.20-211,062.66-84,954.90

Finding the Fourth Proportional to 152,941.20, 211,062.66 and 84,954.90

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Solution

The fourth proportional to 152,941.20, 211,062.66 and 84,954.90 is: 117,239.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,941.20 : 211,062.66 = 84,954.90 : x
  2. Step 2: Convert to fraction form
    152,941.20/211,062.66 = 84,954.90/x
  3. Step 3: Cross multiply
    152,941.20x = 211,062.66 × 84,954.90
  4. Step 4: Simplify right side
    152,941.20x = 17,930,807,174.03
  5. Step 5: Solve for x
    x = 17,930,807,174.03/152,941.20
  6. Step 6: Final answer
    x = 117,239.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.