Home / 197,712.61-296,269.62-130,913.53

Finding the Fourth Proportional to 197,712.61, 296,269.62 and 130,913.53

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Solution

The fourth proportional to 197,712.61, 296,269.62 and 130,913.53 is: 196,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,712.61 : 296,269.62 = 130,913.53 : x
  2. Step 2: Convert to fraction form
    197,712.61/296,269.62 = 130,913.53/x
  3. Step 3: Cross multiply
    197,712.61x = 296,269.62 × 130,913.53
  4. Step 4: Simplify right side
    197,712.61x = 38,785,701,785.96
  5. Step 5: Solve for x
    x = 38,785,701,785.96/197,712.61
  6. Step 6: Final answer
    x = 196,172.12

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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.