Home / 245,299.47-368,065.38-103,175.87

Finding the Fourth Proportional to 245,299.47, 368,065.38 and 103,175.87

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Solution

The fourth proportional to 245,299.47, 368,065.38 and 103,175.87 is: 154,812.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,299.47 : 368,065.38 = 103,175.87 : x
  2. Step 2: Convert to fraction form
    245,299.47/368,065.38 = 103,175.87/x
  3. Step 3: Cross multiply
    245,299.47x = 368,065.38 × 103,175.87
  4. Step 4: Simplify right side
    245,299.47x = 37,975,463,958.05
  5. Step 5: Solve for x
    x = 37,975,463,958.05/245,299.47
  6. Step 6: Final answer
    x = 154,812.66

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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.