Home / 124,979.36-187,233.58-61,725.44

Finding the Fourth Proportional to 124,979.36, 187,233.58 and 61,725.44

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Solution

The fourth proportional to 124,979.36, 187,233.58 and 61,725.44 is: 92,471.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,979.36 : 187,233.58 = 61,725.44 : x
  2. Step 2: Convert to fraction form
    124,979.36/187,233.58 = 61,725.44/x
  3. Step 3: Cross multiply
    124,979.36x = 187,233.58 × 61,725.44
  4. Step 4: Simplify right side
    124,979.36x = 11,557,075,108.28
  5. Step 5: Solve for x
    x = 11,557,075,108.28/124,979.36
  6. Step 6: Final answer
    x = 92,471.87

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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.