Home / 253,823.13-380,651.64-118,845.41

Finding the Fourth Proportional to 253,823.13, 380,651.64 and 118,845.41

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Solution

The fourth proportional to 253,823.13, 380,651.64 and 118,845.41 is: 178,229.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,823.13 : 380,651.64 = 118,845.41 : x
  2. Step 2: Convert to fraction form
    253,823.13/380,651.64 = 118,845.41/x
  3. Step 3: Cross multiply
    253,823.13x = 380,651.64 × 118,845.41
  4. Step 4: Simplify right side
    253,823.13x = 45,238,702,122.46
  5. Step 5: Solve for x
    x = 45,238,702,122.46/253,823.13
  6. Step 6: Final answer
    x = 178,229.24

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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.