Home / 152,918.75-211,027.88-85,850.75

Finding the Fourth Proportional to 152,918.75, 211,027.88 and 85,850.75

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Solution

The fourth proportional to 152,918.75, 211,027.88 and 85,850.75 is: 118,474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,918.75 : 211,027.88 = 85,850.75 : x
  2. Step 2: Convert to fraction form
    152,918.75/211,027.88 = 85,850.75/x
  3. Step 3: Cross multiply
    152,918.75x = 211,027.88 × 85,850.75
  4. Step 4: Simplify right side
    152,918.75x = 18,116,901,768.91
  5. Step 5: Solve for x
    x = 18,116,901,768.91/152,918.75
  6. Step 6: Final answer
    x = 118,474.04

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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.