Home / 119,025.70-178,535.78-30,279.26

Finding the Fourth Proportional to 119,025.70, 178,535.78 and 30,279.26

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Solution

The fourth proportional to 119,025.70, 178,535.78 and 30,279.26 is: 45,418.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,025.70 : 178,535.78 = 30,279.26 : x
  2. Step 2: Convert to fraction form
    119,025.70/178,535.78 = 30,279.26/x
  3. Step 3: Cross multiply
    119,025.70x = 178,535.78 × 30,279.26
  4. Step 4: Simplify right side
    119,025.70x = 5,405,931,150.53
  5. Step 5: Solve for x
    x = 5,405,931,150.53/119,025.70
  6. Step 6: Final answer
    x = 45,418.19

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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.