Home / 123,669.15-185,285.03-104,860.95

Finding the Fourth Proportional to 123,669.15, 185,285.03 and 104,860.95

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Solution

The fourth proportional to 123,669.15, 185,285.03 and 104,860.95 is: 157,105.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,669.15 : 185,285.03 = 104,860.95 : x
  2. Step 2: Convert to fraction form
    123,669.15/185,285.03 = 104,860.95/x
  3. Step 3: Cross multiply
    123,669.15x = 185,285.03 × 104,860.95
  4. Step 4: Simplify right side
    123,669.15x = 19,429,163,742.27
  5. Step 5: Solve for x
    x = 19,429,163,742.27/123,669.15
  6. Step 6: Final answer
    x = 157,105.99

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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.