Home / 197,815.13-296,759.15-64,702.47

Finding the Fourth Proportional to 197,815.13, 296,759.15 and 64,702.47

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Solution

The fourth proportional to 197,815.13, 296,759.15 and 64,702.47 is: 97,065.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,815.13 : 296,759.15 = 64,702.47 : x
  2. Step 2: Convert to fraction form
    197,815.13/296,759.15 = 64,702.47/x
  3. Step 3: Cross multiply
    197,815.13x = 296,759.15 × 64,702.47
  4. Step 4: Simplify right side
    197,815.13x = 19,201,049,676.59
  5. Step 5: Solve for x
    x = 19,201,049,676.59/197,815.13
  6. Step 6: Final answer
    x = 97,065.63

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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.