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Finding the Fourth Proportional to 248,093.74, 342,366.15 and 134,914.06

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Solution

The fourth proportional to 248,093.74, 342,366.15 and 134,914.06 is: 186,179.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,093.74 : 342,366.15 = 134,914.06 : x
  2. Step 2: Convert to fraction form
    248,093.74/342,366.15 = 134,914.06/x
  3. Step 3: Cross multiply
    248,093.74x = 342,366.15 × 134,914.06
  4. Step 4: Simplify right side
    248,093.74x = 46,190,007,303.07
  5. Step 5: Solve for x
    x = 46,190,007,303.07/248,093.74
  6. Step 6: Final answer
    x = 186,179.66

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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.