Home / 197,139.33-295,733.60-77,180.81

Finding the Fourth Proportional to 197,139.33, 295,733.60 and 77,180.81

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Solution

The fourth proportional to 197,139.33, 295,733.60 and 77,180.81 is: 115,780.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,139.33 : 295,733.60 = 77,180.81 : x
  2. Step 2: Convert to fraction form
    197,139.33/295,733.60 = 77,180.81/x
  3. Step 3: Cross multiply
    197,139.33x = 295,733.60 × 77,180.81
  4. Step 4: Simplify right side
    197,139.33x = 22,824,956,927.64
  5. Step 5: Solve for x
    x = 22,824,956,927.64/197,139.33
  6. Step 6: Final answer
    x = 115,780.84

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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.