Home / 186,030.58-279,039.60-80,849.56

Finding the Fourth Proportional to 186,030.58, 279,039.60 and 80,849.56

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Solution

The fourth proportional to 186,030.58, 279,039.60 and 80,849.56 is: 121,271.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,030.58 : 279,039.60 = 80,849.56 : x
  2. Step 2: Convert to fraction form
    186,030.58/279,039.60 = 80,849.56/x
  3. Step 3: Cross multiply
    186,030.58x = 279,039.60 × 80,849.56
  4. Step 4: Simplify right side
    186,030.58x = 22,560,228,882.58
  5. Step 5: Solve for x
    x = 22,560,228,882.58/186,030.58
  6. Step 6: Final answer
    x = 121,271.62

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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.