Home / 139,154.06-208,755.88-44,405.04

Finding the Fourth Proportional to 139,154.06, 208,755.88 and 44,405.04

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Solution

The fourth proportional to 139,154.06, 208,755.88 and 44,405.04 is: 66,615.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,154.06 : 208,755.88 = 44,405.04 : x
  2. Step 2: Convert to fraction form
    139,154.06/208,755.88 = 44,405.04/x
  3. Step 3: Cross multiply
    139,154.06x = 208,755.88 × 44,405.04
  4. Step 4: Simplify right side
    139,154.06x = 9,269,813,201.64
  5. Step 5: Solve for x
    x = 9,269,813,201.64/139,154.06
  6. Step 6: Final answer
    x = 66,615.47

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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.