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Finding the Fourth Proportional to 136,301.97, 188,102.25 and 75,868.79

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Solution

The fourth proportional to 136,301.97, 188,102.25 and 75,868.79 is: 104,702.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,301.97 : 188,102.25 = 75,868.79 : x
  2. Step 2: Convert to fraction form
    136,301.97/188,102.25 = 75,868.79/x
  3. Step 3: Cross multiply
    136,301.97x = 188,102.25 × 75,868.79
  4. Step 4: Simplify right side
    136,301.97x = 14,271,089,163.27
  5. Step 5: Solve for x
    x = 14,271,089,163.27/136,301.97
  6. Step 6: Final answer
    x = 104,702.00

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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.