Home / 137,554.89-189,833.54-77,144.82

Finding the Fourth Proportional to 137,554.89, 189,833.54 and 77,144.82

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Solution

The fourth proportional to 137,554.89, 189,833.54 and 77,144.82 is: 106,464.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,554.89 : 189,833.54 = 77,144.82 : x
  2. Step 2: Convert to fraction form
    137,554.89/189,833.54 = 77,144.82/x
  3. Step 3: Cross multiply
    137,554.89x = 189,833.54 × 77,144.82
  4. Step 4: Simplify right side
    137,554.89x = 14,644,673,887.54
  5. Step 5: Solve for x
    x = 14,644,673,887.54/137,554.89
  6. Step 6: Final answer
    x = 106,464.22

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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.