Home / 163,134.88-225,124.76-91,513.36

Finding the Fourth Proportional to 163,134.88, 225,124.76 and 91,513.36

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Solution

The fourth proportional to 163,134.88, 225,124.76 and 91,513.36 is: 126,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,134.88 : 225,124.76 = 91,513.36 : x
  2. Step 2: Convert to fraction form
    163,134.88/225,124.76 = 91,513.36/x
  3. Step 3: Cross multiply
    163,134.88x = 225,124.76 × 91,513.36
  4. Step 4: Simplify right side
    163,134.88x = 20,601,923,206.79
  5. Step 5: Solve for x
    x = 20,601,923,206.79/163,134.88
  6. Step 6: Final answer
    x = 126,287.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.