Home / 325,154.94-487,631.57-114,743.67

Finding the Fourth Proportional to 325,154.94, 487,631.57 and 114,743.67

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Solution

The fourth proportional to 325,154.94, 487,631.57 and 114,743.67 is: 172,079.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,154.94 : 487,631.57 = 114,743.67 : x
  2. Step 2: Convert to fraction form
    325,154.94/487,631.57 = 114,743.67/x
  3. Step 3: Cross multiply
    325,154.94x = 487,631.57 × 114,743.67
  4. Step 4: Simplify right side
    325,154.94x = 55,952,635,375.94
  5. Step 5: Solve for x
    x = 55,952,635,375.94/325,154.94
  6. Step 6: Final answer
    x = 172,079.92

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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.