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Finding the Fourth Proportional to 250,102.63, 345,141.63 and 136,925.38

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Solution

The fourth proportional to 250,102.63, 345,141.63 and 136,925.38 is: 188,957.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,102.63 : 345,141.63 = 136,925.38 : x
  2. Step 2: Convert to fraction form
    250,102.63/345,141.63 = 136,925.38/x
  3. Step 3: Cross multiply
    250,102.63x = 345,141.63 × 136,925.38
  4. Step 4: Simplify right side
    250,102.63x = 47,258,647,978.72
  5. Step 5: Solve for x
    x = 47,258,647,978.72/250,102.63
  6. Step 6: Final answer
    x = 188,957.02

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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.