Home / 109,974.20-164,928.90-43,392.20

Finding the Fourth Proportional to 109,974.20, 164,928.90 and 43,392.20

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Solution

The fourth proportional to 109,974.20, 164,928.90 and 43,392.20 is: 65,075.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,974.20 : 164,928.90 = 43,392.20 : x
  2. Step 2: Convert to fraction form
    109,974.20/164,928.90 = 43,392.20/x
  3. Step 3: Cross multiply
    109,974.20x = 164,928.90 × 43,392.20
  4. Step 4: Simplify right side
    109,974.20x = 7,156,627,814.58
  5. Step 5: Solve for x
    x = 7,156,627,814.58/109,974.20
  6. Step 6: Final answer
    x = 65,075.52

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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.