Home / 160,538.43-221,532.80-92,551.89

Finding the Fourth Proportional to 160,538.43, 221,532.80 and 92,551.89

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Solution

The fourth proportional to 160,538.43, 221,532.80 and 92,551.89 is: 127,715.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,538.43 : 221,532.80 = 92,551.89 : x
  2. Step 2: Convert to fraction form
    160,538.43/221,532.80 = 92,551.89/x
  3. Step 3: Cross multiply
    160,538.43x = 221,532.80 × 92,551.89
  4. Step 4: Simplify right side
    160,538.43x = 20,503,278,874.23
  5. Step 5: Solve for x
    x = 20,503,278,874.23/160,538.43
  6. Step 6: Final answer
    x = 127,715.71

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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.