Home / 163,585.09-225,746.08-91,965.43

Finding the Fourth Proportional to 163,585.09, 225,746.08 and 91,965.43

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Solution

The fourth proportional to 163,585.09, 225,746.08 and 91,965.43 is: 126,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,585.09 : 225,746.08 = 91,965.43 : x
  2. Step 2: Convert to fraction form
    163,585.09/225,746.08 = 91,965.43/x
  3. Step 3: Cross multiply
    163,585.09x = 225,746.08 × 91,965.43
  4. Step 4: Simplify right side
    163,585.09x = 20,760,835,318.01
  5. Step 5: Solve for x
    x = 20,760,835,318.01/163,585.09
  6. Step 6: Final answer
    x = 126,911.54

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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.