Home / 213,965.21-320,947.52-64,205.26

Finding the Fourth Proportional to 213,965.21, 320,947.52 and 64,205.26

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Solution

The fourth proportional to 213,965.21, 320,947.52 and 64,205.26 is: 96,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,965.21 : 320,947.52 = 64,205.26 : x
  2. Step 2: Convert to fraction form
    213,965.21/320,947.52 = 64,205.26/x
  3. Step 3: Cross multiply
    213,965.21x = 320,947.52 × 64,205.26
  4. Step 4: Simplify right side
    213,965.21x = 20,606,517,844.56
  5. Step 5: Solve for x
    x = 20,606,517,844.56/213,965.21
  6. Step 6: Final answer
    x = 96,307.80

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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.