Home / 170,631.38-255,984.44-52,311.95

Finding the Fourth Proportional to 170,631.38, 255,984.44 and 52,311.95

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Solution

The fourth proportional to 170,631.38, 255,984.44 and 52,311.95 is: 78,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,631.38 : 255,984.44 = 52,311.95 : x
  2. Step 2: Convert to fraction form
    170,631.38/255,984.44 = 52,311.95/x
  3. Step 3: Cross multiply
    170,631.38x = 255,984.44 × 52,311.95
  4. Step 4: Simplify right side
    170,631.38x = 13,391,044,644.52
  5. Step 5: Solve for x
    x = 13,391,044,644.52/170,631.38
  6. Step 6: Final answer
    x = 78,479.38

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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.