Home / 109,299.45-163,927.30-30,392.49

Finding the Fourth Proportional to 109,299.45, 163,927.30 and 30,392.49

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Solution

The fourth proportional to 109,299.45, 163,927.30 and 30,392.49 is: 45,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,299.45 : 163,927.30 = 30,392.49 : x
  2. Step 2: Convert to fraction form
    109,299.45/163,927.30 = 30,392.49/x
  3. Step 3: Cross multiply
    109,299.45x = 163,927.30 × 30,392.49
  4. Step 4: Simplify right side
    109,299.45x = 4,982,158,825.98
  5. Step 5: Solve for x
    x = 4,982,158,825.98/109,299.45
  6. Step 6: Final answer
    x = 45,582.65

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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.