Home / 104,727.12-144,389.52-67,868.16

Finding the Fourth Proportional to 104,727.12, 144,389.52 and 67,868.16

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Solution

The fourth proportional to 104,727.12, 144,389.52 and 67,868.16 is: 93,571.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,727.12 : 144,389.52 = 67,868.16 : x
  2. Step 2: Convert to fraction form
    104,727.12/144,389.52 = 67,868.16/x
  3. Step 3: Cross multiply
    104,727.12x = 144,389.52 × 67,868.16
  4. Step 4: Simplify right side
    104,727.12x = 9,799,451,045.68
  5. Step 5: Solve for x
    x = 9,799,451,045.68/104,727.12
  6. Step 6: Final answer
    x = 93,571.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.