Home / 126,585.11-189,919.24-51,768.18

Finding the Fourth Proportional to 126,585.11, 189,919.24 and 51,768.18

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Solution

The fourth proportional to 126,585.11, 189,919.24 and 51,768.18 is: 77,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,585.11 : 189,919.24 = 51,768.18 : x
  2. Step 2: Convert to fraction form
    126,585.11/189,919.24 = 51,768.18/x
  3. Step 3: Cross multiply
    126,585.11x = 189,919.24 × 51,768.18
  4. Step 4: Simplify right side
    126,585.11x = 9,831,773,272.36
  5. Step 5: Solve for x
    x = 9,831,773,272.36/126,585.11
  6. Step 6: Final answer
    x = 77,669.27

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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.