Home / 165,629.79-228,711.18-160,273.86

Finding the Fourth Proportional to 165,629.79, 228,711.18 and 160,273.86

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Solution

The fourth proportional to 165,629.79, 228,711.18 and 160,273.86 is: 221,315.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,629.79 : 228,711.18 = 160,273.86 : x
  2. Step 2: Convert to fraction form
    165,629.79/228,711.18 = 160,273.86/x
  3. Step 3: Cross multiply
    165,629.79x = 228,711.18 × 160,273.86
  4. Step 4: Simplify right side
    165,629.79x = 36,656,424,866.10
  5. Step 5: Solve for x
    x = 36,656,424,866.10/165,629.79
  6. Step 6: Final answer
    x = 221,315.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.