Home / 126,434.36-189,651.48-37,685.60

Finding the Fourth Proportional to 126,434.36, 189,651.48 and 37,685.60

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Solution

The fourth proportional to 126,434.36, 189,651.48 and 37,685.60 is: 56,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,434.36 : 189,651.48 = 37,685.60 : x
  2. Step 2: Convert to fraction form
    126,434.36/189,651.48 = 37,685.60/x
  3. Step 3: Cross multiply
    126,434.36x = 189,651.48 × 37,685.60
  4. Step 4: Simplify right side
    126,434.36x = 7,147,129,814.69
  5. Step 5: Solve for x
    x = 7,147,129,814.69/126,434.36
  6. Step 6: Final answer
    x = 56,528.38

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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.