Home / 251,601.45-347,212.76-136,880.75

Finding the Fourth Proportional to 251,601.45, 347,212.76 and 136,880.75

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Solution

The fourth proportional to 251,601.45, 347,212.76 and 136,880.75 is: 188,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,601.45 : 347,212.76 = 136,880.75 : x
  2. Step 2: Convert to fraction form
    251,601.45/347,212.76 = 136,880.75/x
  3. Step 3: Cross multiply
    251,601.45x = 347,212.76 × 136,880.75
  4. Step 4: Simplify right side
    251,601.45x = 47,526,740,577.90
  5. Step 5: Solve for x
    x = 47,526,740,577.90/251,601.45
  6. Step 6: Final answer
    x = 188,896.93

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1.5x scale

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.