Home / 139,383.19-209,088.57-44,589.56

Finding the Fourth Proportional to 139,383.19, 209,088.57 and 44,589.56

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Solution

The fourth proportional to 139,383.19, 209,088.57 and 44,589.56 is: 66,888.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,383.19 : 209,088.57 = 44,589.56 : x
  2. Step 2: Convert to fraction form
    139,383.19/209,088.57 = 44,589.56/x
  3. Step 3: Cross multiply
    139,383.19x = 209,088.57 × 44,589.56
  4. Step 4: Simplify right side
    139,383.19x = 9,323,167,337.33
  5. Step 5: Solve for x
    x = 9,323,167,337.33/139,383.19
  6. Step 6: Final answer
    x = 66,888.75

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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.