Home / 163,433.36-225,536.67-91,811.84

Finding the Fourth Proportional to 163,433.36, 225,536.67 and 91,811.84

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Solution

The fourth proportional to 163,433.36, 225,536.67 and 91,811.84 is: 126,699.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,433.36 : 225,536.67 = 91,811.84 : x
  2. Step 2: Convert to fraction form
    163,433.36/225,536.67 = 91,811.84/x
  3. Step 3: Cross multiply
    163,433.36x = 225,536.67 × 91,811.84
  4. Step 4: Simplify right side
    163,433.36x = 20,706,935,532.49
  5. Step 5: Solve for x
    x = 20,706,935,532.49/163,433.36
  6. Step 6: Final answer
    x = 126,699.57

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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.