Home / 132,698.10-198,917.55-118,701.30

Finding the Fourth Proportional to 132,698.10, 198,917.55 and 118,701.30

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Solution

The fourth proportional to 132,698.10, 198,917.55 and 118,701.30 is: 177,936.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,698.10 : 198,917.55 = 118,701.30 : x
  2. Step 2: Convert to fraction form
    132,698.10/198,917.55 = 118,701.30/x
  3. Step 3: Cross multiply
    132,698.10x = 198,917.55 × 118,701.30
  4. Step 4: Simplify right side
    132,698.10x = 23,611,771,777.82
  5. Step 5: Solve for x
    x = 23,611,771,777.82/132,698.10
  6. Step 6: Final answer
    x = 177,936.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.