Home / 284,634.99-426,903.06-107,143.35

Finding the Fourth Proportional to 284,634.99, 426,903.06 and 107,143.35

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Solution

The fourth proportional to 284,634.99, 426,903.06 and 107,143.35 is: 160,696.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,634.99 : 426,903.06 = 107,143.35 : x
  2. Step 2: Convert to fraction form
    284,634.99/426,903.06 = 107,143.35/x
  3. Step 3: Cross multiply
    284,634.99x = 426,903.06 × 107,143.35
  4. Step 4: Simplify right side
    284,634.99x = 45,739,823,973.65
  5. Step 5: Solve for x
    x = 45,739,823,973.65/284,634.99
  6. Step 6: Final answer
    x = 160,696.42

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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.