Home / 163,106.38-225,071.69-91,472.57

Finding the Fourth Proportional to 163,106.38, 225,071.69 and 91,472.57

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Solution

The fourth proportional to 163,106.38, 225,071.69 and 91,472.57 is: 126,223.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,106.38 : 225,071.69 = 91,472.57 : x
  2. Step 2: Convert to fraction form
    163,106.38/225,071.69 = 91,472.57/x
  3. Step 3: Cross multiply
    163,106.38x = 225,071.69 × 91,472.57
  4. Step 4: Simplify right side
    163,106.38x = 20,587,884,804.09
  5. Step 5: Solve for x
    x = 20,587,884,804.09/163,106.38
  6. Step 6: Final answer
    x = 126,223.66

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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.