Home / 163,081.83-225,031.19-90,483.56

Finding the Fourth Proportional to 163,081.83, 225,031.19 and 90,483.56

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Solution

The fourth proportional to 163,081.83, 225,031.19 and 90,483.56 is: 124,855.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,081.83 : 225,031.19 = 90,483.56 : x
  2. Step 2: Convert to fraction form
    163,081.83/225,031.19 = 90,483.56/x
  3. Step 3: Cross multiply
    163,081.83x = 225,031.19 × 90,483.56
  4. Step 4: Simplify right side
    163,081.83x = 20,361,621,604.66
  5. Step 5: Solve for x
    x = 20,361,621,604.66/163,081.83
  6. Step 6: Final answer
    x = 124,855.24

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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.