Home / 283,142.09-424,786.65-105,650.44

Finding the Fourth Proportional to 283,142.09, 424,786.65 and 105,650.44

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Solution

The fourth proportional to 283,142.09, 424,786.65 and 105,650.44 is: 158,503.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,142.09 : 424,786.65 = 105,650.44 : x
  2. Step 2: Convert to fraction form
    283,142.09/424,786.65 = 105,650.44/x
  3. Step 3: Cross multiply
    283,142.09x = 424,786.65 × 105,650.44
  4. Step 4: Simplify right side
    283,142.09x = 44,878,895,020.47
  5. Step 5: Solve for x
    x = 44,878,895,020.47/283,142.09
  6. Step 6: Final answer
    x = 158,503.08

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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.