Home / 186,014.48-279,123-80,833.04

Finding the Fourth Proportional to 186,014.48, 279,123 and 80,833.04

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Solution

The fourth proportional to 186,014.48, 279,123 and 80,833.04 is: 121,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,014.48 : 279,123 = 80,833.04 : x
  2. Step 2: Convert to fraction form
    186,014.48/279,123 = 80,833.04/x
  3. Step 3: Cross multiply
    186,014.48x = 279,123 × 80,833.04
  4. Step 4: Simplify right side
    186,014.48x = 22,562,360,623.92
  5. Step 5: Solve for x
    x = 22,562,360,623.92/186,014.48
  6. Step 6: Final answer
    x = 121,293.57

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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.