Home / 99,494.62-137,305.19-54,174.51

Finding the Fourth Proportional to 99,494.62, 137,305.19 and 54,174.51

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Solution

The fourth proportional to 99,494.62, 137,305.19 and 54,174.51 is: 74,762.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,494.62 : 137,305.19 = 54,174.51 : x
  2. Step 2: Convert to fraction form
    99,494.62/137,305.19 = 54,174.51/x
  3. Step 3: Cross multiply
    99,494.62x = 137,305.19 × 54,174.51
  4. Step 4: Simplify right side
    99,494.62x = 7,438,441,388.71
  5. Step 5: Solve for x
    x = 7,438,441,388.71/99,494.62
  6. Step 6: Final answer
    x = 74,762.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.