Home / 163,961.21-226,263.41-89,370.30

Finding the Fourth Proportional to 163,961.21, 226,263.41 and 89,370.30

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Solution

The fourth proportional to 163,961.21, 226,263.41 and 89,370.30 is: 123,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,961.21 : 226,263.41 = 89,370.30 : x
  2. Step 2: Convert to fraction form
    163,961.21/226,263.41 = 89,370.30/x
  3. Step 3: Cross multiply
    163,961.21x = 226,263.41 × 89,370.30
  4. Step 4: Simplify right side
    163,961.21x = 20,221,228,383.87
  5. Step 5: Solve for x
    x = 20,221,228,383.87/163,961.21
  6. Step 6: Final answer
    x = 123,329.35

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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.