Home / 152,918.58-211,020.48-84,939.87

Finding the Fourth Proportional to 152,918.58, 211,020.48 and 84,939.87

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Solution

The fourth proportional to 152,918.58, 211,020.48 and 84,939.87 is: 117,213.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,918.58 : 211,020.48 = 84,939.87 : x
  2. Step 2: Convert to fraction form
    152,918.58/211,020.48 = 84,939.87/x
  3. Step 3: Cross multiply
    152,918.58x = 211,020.48 × 84,939.87
  4. Step 4: Simplify right side
    152,918.58x = 17,924,052,138.54
  5. Step 5: Solve for x
    x = 17,924,052,138.54/152,918.58
  6. Step 6: Final answer
    x = 117,213.04

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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.