Home / 215,011.31-322,605.81-108,338.25

Finding the Fourth Proportional to 215,011.31, 322,605.81 and 108,338.25

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Solution

The fourth proportional to 215,011.31, 322,605.81 and 108,338.25 is: 162,552.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,011.31 : 322,605.81 = 108,338.25 : x
  2. Step 2: Convert to fraction form
    215,011.31/322,605.81 = 108,338.25/x
  3. Step 3: Cross multiply
    215,011.31x = 322,605.81 × 108,338.25
  4. Step 4: Simplify right side
    215,011.31x = 34,950,548,895.23
  5. Step 5: Solve for x
    x = 34,950,548,895.23/215,011.31
  6. Step 6: Final answer
    x = 162,552.14

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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.