Home / 163,403.30-225,476.74-90,805.83

Finding the Fourth Proportional to 163,403.30, 225,476.74 and 90,805.83

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Solution

The fourth proportional to 163,403.30, 225,476.74 and 90,805.83 is: 125,301.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,403.30 : 225,476.74 = 90,805.83 : x
  2. Step 2: Convert to fraction form
    163,403.30/225,476.74 = 90,805.83/x
  3. Step 3: Cross multiply
    163,403.30x = 225,476.74 × 90,805.83
  4. Step 4: Simplify right side
    163,403.30x = 20,474,603,436.43
  5. Step 5: Solve for x
    x = 20,474,603,436.43/163,403.30
  6. Step 6: Final answer
    x = 125,301.04

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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.