Home / 110,327.42-165,491.12-77,112.36

Finding the Fourth Proportional to 110,327.42, 165,491.12 and 77,112.36

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Solution

The fourth proportional to 110,327.42, 165,491.12 and 77,112.36 is: 115,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,327.42 : 165,491.12 = 77,112.36 : x
  2. Step 2: Convert to fraction form
    110,327.42/165,491.12 = 77,112.36/x
  3. Step 3: Cross multiply
    110,327.42x = 165,491.12 × 77,112.36
  4. Step 4: Simplify right side
    110,327.42x = 12,761,410,436.68
  5. Step 5: Solve for x
    x = 12,761,410,436.68/110,327.42
  6. Step 6: Final answer
    x = 115,668.53

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1.5x scale

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.