Home / 126,029.76-189,074.04-41,783.76

Finding the Fourth Proportional to 126,029.76, 189,074.04 and 41,783.76

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Solution

The fourth proportional to 126,029.76, 189,074.04 and 41,783.76 is: 62,685.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,029.76 : 189,074.04 = 41,783.76 : x
  2. Step 2: Convert to fraction form
    126,029.76/189,074.04 = 41,783.76/x
  3. Step 3: Cross multiply
    126,029.76x = 189,074.04 × 41,783.76
  4. Step 4: Simplify right side
    126,029.76x = 7,900,224,309.59
  5. Step 5: Solve for x
    x = 7,900,224,309.59/126,029.76
  6. Step 6: Final answer
    x = 62,685.39

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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.