Home / 163,098.20-225,063.59-90,504.38

Finding the Fourth Proportional to 163,098.20, 225,063.59 and 90,504.38

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Solution

The fourth proportional to 163,098.20, 225,063.59 and 90,504.38 is: 124,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,098.20 : 225,063.59 = 90,504.38 : x
  2. Step 2: Convert to fraction form
    163,098.20/225,063.59 = 90,504.38/x
  3. Step 3: Cross multiply
    163,098.20x = 225,063.59 × 90,504.38
  4. Step 4: Simplify right side
    163,098.20x = 20,369,240,783.66
  5. Step 5: Solve for x
    x = 20,369,240,783.66/163,098.20
  6. Step 6: Final answer
    x = 124,889.43

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1.5x scale

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.