Home / 163,770.24-225,999.72-91,172.16

Finding the Fourth Proportional to 163,770.24, 225,999.72 and 91,172.16

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Solution

The fourth proportional to 163,770.24, 225,999.72 and 91,172.16 is: 125,815.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,770.24 : 225,999.72 = 91,172.16 : x
  2. Step 2: Convert to fraction form
    163,770.24/225,999.72 = 91,172.16/x
  3. Step 3: Cross multiply
    163,770.24x = 225,999.72 × 91,172.16
  4. Step 4: Simplify right side
    163,770.24x = 20,604,882,631.80
  5. Step 5: Solve for x
    x = 20,604,882,631.80/163,770.24
  6. Step 6: Final answer
    x = 125,815.79

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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.