Home / 154,074.25-212,623.53-86,094.09

Finding the Fourth Proportional to 154,074.25, 212,623.53 and 86,094.09

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Solution

The fourth proportional to 154,074.25, 212,623.53 and 86,094.09 is: 118,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,074.25 : 212,623.53 = 86,094.09 : x
  2. Step 2: Convert to fraction form
    154,074.25/212,623.53 = 86,094.09/x
  3. Step 3: Cross multiply
    154,074.25x = 212,623.53 × 86,094.09
  4. Step 4: Simplify right side
    154,074.25x = 18,305,627,834.35
  5. Step 5: Solve for x
    x = 18,305,627,834.35/154,074.25
  6. Step 6: Final answer
    x = 118,810.43

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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.