Home / 123,927.40-185,896.86-40,822.12

Finding the Fourth Proportional to 123,927.40, 185,896.86 and 40,822.12

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Solution

The fourth proportional to 123,927.40, 185,896.86 and 40,822.12 is: 61,235.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,927.40 : 185,896.86 = 40,822.12 : x
  2. Step 2: Convert to fraction form
    123,927.40/185,896.86 = 40,822.12/x
  3. Step 3: Cross multiply
    123,927.40x = 185,896.86 × 40,822.12
  4. Step 4: Simplify right side
    123,927.40x = 7,588,703,926.54
  5. Step 5: Solve for x
    x = 7,588,703,926.54/123,927.40
  6. Step 6: Final answer
    x = 61,235.08

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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.