Home / 251,741.76-377,348.16-126,820.80

Finding the Fourth Proportional to 251,741.76, 377,348.16 and 126,820.80

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Solution

The fourth proportional to 251,741.76, 377,348.16 and 126,820.80 is: 190,097.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,741.76 : 377,348.16 = 126,820.80 : x
  2. Step 2: Convert to fraction form
    251,741.76/377,348.16 = 126,820.80/x
  3. Step 3: Cross multiply
    251,741.76x = 377,348.16 × 126,820.80
  4. Step 4: Simplify right side
    251,741.76x = 47,855,595,529.73
  5. Step 5: Solve for x
    x = 47,855,595,529.73/251,741.76
  6. Step 6: Final answer
    x = 190,097.96

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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.