Home / 126,635.47-189,882.99-51,808.18

Finding the Fourth Proportional to 126,635.47, 189,882.99 and 51,808.18

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Solution

The fourth proportional to 126,635.47, 189,882.99 and 51,808.18 is: 77,683.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,635.47 : 189,882.99 = 51,808.18 : x
  2. Step 2: Convert to fraction form
    126,635.47/189,882.99 = 51,808.18/x
  3. Step 3: Cross multiply
    126,635.47x = 189,882.99 × 51,808.18
  4. Step 4: Simplify right side
    126,635.47x = 9,837,492,124.86
  5. Step 5: Solve for x
    x = 9,837,492,124.86/126,635.47
  6. Step 6: Final answer
    x = 77,683.54

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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.