Home / 124,771.76-187,137.54-34,816.80

Finding the Fourth Proportional to 124,771.76, 187,137.54 and 34,816.80

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Solution

The fourth proportional to 124,771.76, 187,137.54 and 34,816.80 is: 52,219.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,771.76 : 187,137.54 = 34,816.80 : x
  2. Step 2: Convert to fraction form
    124,771.76/187,137.54 = 34,816.80/x
  3. Step 3: Cross multiply
    124,771.76x = 187,137.54 × 34,816.80
  4. Step 4: Simplify right side
    124,771.76x = 6,515,530,302.67
  5. Step 5: Solve for x
    x = 6,515,530,302.67/124,771.76
  6. Step 6: Final answer
    x = 52,219.59

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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.