Home / 163,855.23-225,999.50-123,570.69

Finding the Fourth Proportional to 163,855.23, 225,999.50 and 123,570.69

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Solution

The fourth proportional to 163,855.23, 225,999.50 and 123,570.69 is: 170,436.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,855.23 : 225,999.50 = 123,570.69 : x
  2. Step 2: Convert to fraction form
    163,855.23/225,999.50 = 123,570.69/x
  3. Step 3: Cross multiply
    163,855.23x = 225,999.50 × 123,570.69
  4. Step 4: Simplify right side
    163,855.23x = 27,926,913,536.80
  5. Step 5: Solve for x
    x = 27,926,913,536.80/163,855.23
  6. Step 6: Final answer
    x = 170,436.51

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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.