Home / 123,731.75-185,595.30-39,491.28

Finding the Fourth Proportional to 123,731.75, 185,595.30 and 39,491.28

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Solution

The fourth proportional to 123,731.75, 185,595.30 and 39,491.28 is: 59,236.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,731.75 : 185,595.30 = 39,491.28 : x
  2. Step 2: Convert to fraction form
    123,731.75/185,595.30 = 39,491.28/x
  3. Step 3: Cross multiply
    123,731.75x = 185,595.30 × 39,491.28
  4. Step 4: Simplify right side
    123,731.75x = 7,329,395,958.98
  5. Step 5: Solve for x
    x = 7,329,395,958.98/123,731.75
  6. Step 6: Final answer
    x = 59,236.18

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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.