Home / 155,814.69-233,537.46-71,503.78

Finding the Fourth Proportional to 155,814.69, 233,537.46 and 71,503.78

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Solution

The fourth proportional to 155,814.69, 233,537.46 and 71,503.78 is: 107,170.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,814.69 : 233,537.46 = 71,503.78 : x
  2. Step 2: Convert to fraction form
    155,814.69/233,537.46 = 71,503.78/x
  3. Step 3: Cross multiply
    155,814.69x = 233,537.46 × 71,503.78
  4. Step 4: Simplify right side
    155,814.69x = 16,698,811,161.60
  5. Step 5: Solve for x
    x = 16,698,811,161.60/155,814.69
  6. Step 6: Final answer
    x = 107,170.97

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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.