Home / 123,389.28-185,006.16-104,675.88

Finding the Fourth Proportional to 123,389.28, 185,006.16 and 104,675.88

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Solution

The fourth proportional to 123,389.28, 185,006.16 and 104,675.88 is: 156,947.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,389.28 : 185,006.16 = 104,675.88 : x
  2. Step 2: Convert to fraction form
    123,389.28/185,006.16 = 104,675.88/x
  3. Step 3: Cross multiply
    123,389.28x = 185,006.16 × 104,675.88
  4. Step 4: Simplify right side
    123,389.28x = 19,365,682,603.42
  5. Step 5: Solve for x
    x = 19,365,682,603.42/123,389.28
  6. Step 6: Final answer
    x = 156,947.85

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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.