Home / 164,015.58-245,867.85-80,812.38

Finding the Fourth Proportional to 164,015.58, 245,867.85 and 80,812.38

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Solution

The fourth proportional to 164,015.58, 245,867.85 and 80,812.38 is: 121,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,015.58 : 245,867.85 = 80,812.38 : x
  2. Step 2: Convert to fraction form
    164,015.58/245,867.85 = 80,812.38/x
  3. Step 3: Cross multiply
    164,015.58x = 245,867.85 × 80,812.38
  4. Step 4: Simplify right side
    164,015.58x = 19,869,166,123.98
  5. Step 5: Solve for x
    x = 19,869,166,123.98/164,015.58
  6. Step 6: Final answer
    x = 121,141.94

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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.