Home / 238,640.04-357,941.25-138,736.53

Finding the Fourth Proportional to 238,640.04, 357,941.25 and 138,736.53

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Solution

The fourth proportional to 238,640.04, 357,941.25 and 138,736.53 is: 208,093.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,640.04 : 357,941.25 = 138,736.53 : x
  2. Step 2: Convert to fraction form
    238,640.04/357,941.25 = 138,736.53/x
  3. Step 3: Cross multiply
    238,640.04x = 357,941.25 × 138,736.53
  4. Step 4: Simplify right side
    238,640.04x = 49,659,526,968.86
  5. Step 5: Solve for x
    x = 49,659,526,968.86/238,640.04
  6. Step 6: Final answer
    x = 208,093.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.