Home / 126,214.96-189,309.84-51,339.52

Finding the Fourth Proportional to 126,214.96, 189,309.84 and 51,339.52

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Solution

The fourth proportional to 126,214.96, 189,309.84 and 51,339.52 is: 77,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,214.96 : 189,309.84 = 51,339.52 : x
  2. Step 2: Convert to fraction form
    126,214.96/189,309.84 = 51,339.52/x
  3. Step 3: Cross multiply
    126,214.96x = 189,309.84 × 51,339.52
  4. Step 4: Simplify right side
    126,214.96x = 9,719,076,316.88
  5. Step 5: Solve for x
    x = 9,719,076,316.88/126,214.96
  6. Step 6: Final answer
    x = 77,004.15

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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.