Home / 186,035.58-279,047.07-80,854.56

Finding the Fourth Proportional to 186,035.58, 279,047.07 and 80,854.56

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Solution

The fourth proportional to 186,035.58, 279,047.07 and 80,854.56 is: 121,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,035.58 : 279,047.07 = 80,854.56 : x
  2. Step 2: Convert to fraction form
    186,035.58/279,047.07 = 80,854.56/x
  3. Step 3: Cross multiply
    186,035.58x = 279,047.07 × 80,854.56
  4. Step 4: Simplify right side
    186,035.58x = 22,562,228,064.14
  5. Step 5: Solve for x
    x = 22,562,228,064.14/186,035.58
  6. Step 6: Final answer
    x = 121,279.10

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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.