Home / 197,030.43-271,902.30-112,147.50

Finding the Fourth Proportional to 197,030.43, 271,902.30 and 112,147.50

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Solution

The fourth proportional to 197,030.43, 271,902.30 and 112,147.50 is: 154,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,030.43 : 271,902.30 = 112,147.50 : x
  2. Step 2: Convert to fraction form
    197,030.43/271,902.30 = 112,147.50/x
  3. Step 3: Cross multiply
    197,030.43x = 271,902.30 × 112,147.50
  4. Step 4: Simplify right side
    197,030.43x = 30,493,163,189.25
  5. Step 5: Solve for x
    x = 30,493,163,189.25/197,030.43
  6. Step 6: Final answer
    x = 154,763.72

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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.