Home / 197,374.03-296,077.44-78,980.78

Finding the Fourth Proportional to 197,374.03, 296,077.44 and 78,980.78

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Solution

The fourth proportional to 197,374.03, 296,077.44 and 78,980.78 is: 118,477.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,374.03 : 296,077.44 = 78,980.78 : x
  2. Step 2: Convert to fraction form
    197,374.03/296,077.44 = 78,980.78/x
  3. Step 3: Cross multiply
    197,374.03x = 296,077.44 × 78,980.78
  4. Step 4: Simplify right side
    197,374.03x = 23,384,427,151.60
  5. Step 5: Solve for x
    x = 23,384,427,151.60/197,374.03
  6. Step 6: Final answer
    x = 118,477.73

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1.5x scale

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.