Home / 126,559.68-189,513.12-122,823.36

Finding the Fourth Proportional to 126,559.68, 189,513.12 and 122,823.36

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Solution

The fourth proportional to 126,559.68, 189,513.12 and 122,823.36 is: 183,918.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,559.68 : 189,513.12 = 122,823.36 : x
  2. Step 2: Convert to fraction form
    126,559.68/189,513.12 = 122,823.36/x
  3. Step 3: Cross multiply
    126,559.68x = 189,513.12 × 122,823.36
  4. Step 4: Simplify right side
    126,559.68x = 23,276,638,162.48
  5. Step 5: Solve for x
    x = 23,276,638,162.48/126,559.68
  6. Step 6: Final answer
    x = 183,918.28

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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.