Home / 209,334.71-288,879.18-113,839.36

Finding the Fourth Proportional to 209,334.71, 288,879.18 and 113,839.36

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Solution

The fourth proportional to 209,334.71, 288,879.18 and 113,839.36 is: 157,096.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,334.71 : 288,879.18 = 113,839.36 : x
  2. Step 2: Convert to fraction form
    209,334.71/288,879.18 = 113,839.36/x
  3. Step 3: Cross multiply
    209,334.71x = 288,879.18 × 113,839.36
  4. Step 4: Simplify right side
    209,334.71x = 32,885,820,968.52
  5. Step 5: Solve for x
    x = 32,885,820,968.52/209,334.71
  6. Step 6: Final answer
    x = 157,096.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.