Home / 163,589.46-225,751.05-90,991.59

Finding the Fourth Proportional to 163,589.46, 225,751.05 and 90,991.59

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Solution

The fourth proportional to 163,589.46, 225,751.05 and 90,991.59 is: 125,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,589.46 : 225,751.05 = 90,991.59 : x
  2. Step 2: Convert to fraction form
    163,589.46/225,751.05 = 90,991.59/x
  3. Step 3: Cross multiply
    163,589.46x = 225,751.05 × 90,991.59
  4. Step 4: Simplify right side
    163,589.46x = 20,541,446,137.10
  5. Step 5: Solve for x
    x = 20,541,446,137.10/163,589.46
  6. Step 6: Final answer
    x = 125,567.05

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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.