Home / 136,453.02-188,303.92-76,022.56

Finding the Fourth Proportional to 136,453.02, 188,303.92 and 76,022.56

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Solution

The fourth proportional to 136,453.02, 188,303.92 and 76,022.56 is: 104,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,453.02 : 188,303.92 = 76,022.56 : x
  2. Step 2: Convert to fraction form
    136,453.02/188,303.92 = 76,022.56/x
  3. Step 3: Cross multiply
    136,453.02x = 188,303.92 × 76,022.56
  4. Step 4: Simplify right side
    136,453.02x = 14,315,346,101.76
  5. Step 5: Solve for x
    x = 14,315,346,101.76/136,453.02
  6. Step 6: Final answer
    x = 104,910.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.