Home / 186,023.86-278,729.07-107,204.34

Finding the Fourth Proportional to 186,023.86, 278,729.07 and 107,204.34

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Solution

The fourth proportional to 186,023.86, 278,729.07 and 107,204.34 is: 160,629.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,023.86 : 278,729.07 = 107,204.34 : x
  2. Step 2: Convert to fraction form
    186,023.86/278,729.07 = 107,204.34/x
  3. Step 3: Cross multiply
    186,023.86x = 278,729.07 × 107,204.34
  4. Step 4: Simplify right side
    186,023.86x = 29,880,965,988.16
  5. Step 5: Solve for x
    x = 29,880,965,988.16/186,023.86
  6. Step 6: Final answer
    x = 160,629.75

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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.