Home / 134,489.88-185,596.56-80,775.81

Finding the Fourth Proportional to 134,489.88, 185,596.56 and 80,775.81

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Solution

The fourth proportional to 134,489.88, 185,596.56 and 80,775.81 is: 111,470.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,489.88 : 185,596.56 = 80,775.81 : x
  2. Step 2: Convert to fraction form
    134,489.88/185,596.56 = 80,775.81/x
  3. Step 3: Cross multiply
    134,489.88x = 185,596.56 × 80,775.81
  4. Step 4: Simplify right side
    134,489.88x = 14,991,712,467.21
  5. Step 5: Solve for x
    x = 14,991,712,467.21/134,489.88
  6. Step 6: Final answer
    x = 111,470.93

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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.