Home / 119,209.70-178,703.38-40,268.72

Finding the Fourth Proportional to 119,209.70, 178,703.38 and 40,268.72

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Solution

The fourth proportional to 119,209.70, 178,703.38 and 40,268.72 is: 60,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,209.70 : 178,703.38 = 40,268.72 : x
  2. Step 2: Convert to fraction form
    119,209.70/178,703.38 = 40,268.72/x
  3. Step 3: Cross multiply
    119,209.70x = 178,703.38 × 40,268.72
  4. Step 4: Simplify right side
    119,209.70x = 7,196,156,372.27
  5. Step 5: Solve for x
    x = 7,196,156,372.27/119,209.70
  6. Step 6: Final answer
    x = 60,365.53

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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.