Home / 163,256.80-225,277.12-91,644.72

Finding the Fourth Proportional to 163,256.80, 225,277.12 and 91,644.72

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Solution

The fourth proportional to 163,256.80, 225,277.12 and 91,644.72 is: 126,460.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,256.80 : 225,277.12 = 91,644.72 : x
  2. Step 2: Convert to fraction form
    163,256.80/225,277.12 = 91,644.72/x
  3. Step 3: Cross multiply
    163,256.80x = 225,277.12 × 91,644.72
  4. Step 4: Simplify right side
    163,256.80x = 20,645,458,584.81
  5. Step 5: Solve for x
    x = 20,645,458,584.81/163,256.80
  6. Step 6: Final answer
    x = 126,460.02

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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.