Home / 163,911.45-226,206.23-100,229.25

Finding the Fourth Proportional to 163,911.45, 226,206.23 and 100,229.25

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Solution

The fourth proportional to 163,911.45, 226,206.23 and 100,229.25 is: 138,321.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,911.45 : 226,206.23 = 100,229.25 : x
  2. Step 2: Convert to fraction form
    163,911.45/226,206.23 = 100,229.25/x
  3. Step 3: Cross multiply
    163,911.45x = 226,206.23 × 100,229.25
  4. Step 4: Simplify right side
    163,911.45x = 22,672,480,277.08
  5. Step 5: Solve for x
    x = 22,672,480,277.08/163,911.45
  6. Step 6: Final answer
    x = 138,321.52

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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.