Home / 197,031-271,904.50-112,153.52

Finding the Fourth Proportional to 197,031, 271,904.50 and 112,153.52

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Solution

The fourth proportional to 197,031, 271,904.50 and 112,153.52 is: 154,772.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,031 : 271,904.50 = 112,153.52 : x
  2. Step 2: Convert to fraction form
    197,031/271,904.50 = 112,153.52/x
  3. Step 3: Cross multiply
    197,031x = 271,904.50 × 112,153.52
  4. Step 4: Simplify right side
    197,031x = 30,495,046,778.84
  5. Step 5: Solve for x
    x = 30,495,046,778.84/197,031
  6. Step 6: Final answer
    x = 154,772.84

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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.