Home / 136,956.54-188,999.46-75,701.02

Finding the Fourth Proportional to 136,956.54, 188,999.46 and 75,701.02

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Solution

The fourth proportional to 136,956.54, 188,999.46 and 75,701.02 is: 104,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,956.54 : 188,999.46 = 75,701.02 : x
  2. Step 2: Convert to fraction form
    136,956.54/188,999.46 = 75,701.02/x
  3. Step 3: Cross multiply
    136,956.54x = 188,999.46 × 75,701.02
  4. Step 4: Simplify right side
    136,956.54x = 14,307,451,901.45
  5. Step 5: Solve for x
    x = 14,307,451,901.45/136,956.54
  6. Step 6: Final answer
    x = 104,467.10

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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.