Home / 209,463.10-289,065.24-113,975.98

Finding the Fourth Proportional to 209,463.10, 289,065.24 and 113,975.98

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Solution

The fourth proportional to 209,463.10, 289,065.24 and 113,975.98 is: 157,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,463.10 : 289,065.24 = 113,975.98 : x
  2. Step 2: Convert to fraction form
    209,463.10/289,065.24 = 113,975.98/x
  3. Step 3: Cross multiply
    209,463.10x = 289,065.24 × 113,975.98
  4. Step 4: Simplify right side
    209,463.10x = 32,946,493,290.27
  5. Step 5: Solve for x
    x = 32,946,493,290.27/209,463.10
  6. Step 6: Final answer
    x = 157,290.20

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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.