Home / 153,583.62-211,946.43-85,604.96

Finding the Fourth Proportional to 153,583.62, 211,946.43 and 85,604.96

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Solution

The fourth proportional to 153,583.62, 211,946.43 and 85,604.96 is: 118,135.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,583.62 : 211,946.43 = 85,604.96 : x
  2. Step 2: Convert to fraction form
    153,583.62/211,946.43 = 85,604.96/x
  3. Step 3: Cross multiply
    153,583.62x = 211,946.43 × 85,604.96
  4. Step 4: Simplify right side
    153,583.62x = 18,143,665,662.29
  5. Step 5: Solve for x
    x = 18,143,665,662.29/153,583.62
  6. Step 6: Final answer
    x = 118,135.42

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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.