Home / 115,464.39-173,171.82-67,400.98

Finding the Fourth Proportional to 115,464.39, 173,171.82 and 67,400.98

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Solution

The fourth proportional to 115,464.39, 173,171.82 and 67,400.98 is: 101,087.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,464.39 : 173,171.82 = 67,400.98 : x
  2. Step 2: Convert to fraction form
    115,464.39/173,171.82 = 67,400.98/x
  3. Step 3: Cross multiply
    115,464.39x = 173,171.82 × 67,400.98
  4. Step 4: Simplify right side
    115,464.39x = 11,671,950,376.38
  5. Step 5: Solve for x
    x = 11,671,950,376.38/115,464.39
  6. Step 6: Final answer
    x = 101,087.01

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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.