Home / 109,135.32-163,703.06-30,250.23

Finding the Fourth Proportional to 109,135.32, 163,703.06 and 30,250.23

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Solution

The fourth proportional to 109,135.32, 163,703.06 and 30,250.23 is: 45,375.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,135.32 : 163,703.06 = 30,250.23 : x
  2. Step 2: Convert to fraction form
    109,135.32/163,703.06 = 30,250.23/x
  3. Step 3: Cross multiply
    109,135.32x = 163,703.06 × 30,250.23
  4. Step 4: Simplify right side
    109,135.32x = 4,952,055,065.45
  5. Step 5: Solve for x
    x = 4,952,055,065.45/109,135.32
  6. Step 6: Final answer
    x = 45,375.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.