Home / 208,174.66-312,305.19-83,525.38

Finding the Fourth Proportional to 208,174.66, 312,305.19 and 83,525.38

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Solution

The fourth proportional to 208,174.66, 312,305.19 and 83,525.38 is: 125,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,174.66 : 312,305.19 = 83,525.38 : x
  2. Step 2: Convert to fraction form
    208,174.66/312,305.19 = 83,525.38/x
  3. Step 3: Cross multiply
    208,174.66x = 312,305.19 × 83,525.38
  4. Step 4: Simplify right side
    208,174.66x = 26,085,409,670.72
  5. Step 5: Solve for x
    x = 26,085,409,670.72/208,174.66
  6. Step 6: Final answer
    x = 125,305.40

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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.