Home / 154,850.08-213,709.44-91,186.52

Finding the Fourth Proportional to 154,850.08, 213,709.44 and 91,186.52

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Solution

The fourth proportional to 154,850.08, 213,709.44 and 91,186.52 is: 125,847.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,850.08 : 213,709.44 = 91,186.52 : x
  2. Step 2: Convert to fraction form
    154,850.08/213,709.44 = 91,186.52/x
  3. Step 3: Cross multiply
    154,850.08x = 213,709.44 × 91,186.52
  4. Step 4: Simplify right side
    154,850.08x = 19,487,420,124.75
  5. Step 5: Solve for x
    x = 19,487,420,124.75/154,850.08
  6. Step 6: Final answer
    x = 125,847.01

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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.