Home / 185,121.88-277,495.86-72,880.85

Finding the Fourth Proportional to 185,121.88, 277,495.86 and 72,880.85

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Solution

The fourth proportional to 185,121.88, 277,495.86 and 72,880.85 is: 109,247.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,121.88 : 277,495.86 = 72,880.85 : x
  2. Step 2: Convert to fraction form
    185,121.88/277,495.86 = 72,880.85/x
  3. Step 3: Cross multiply
    185,121.88x = 277,495.86 × 72,880.85
  4. Step 4: Simplify right side
    185,121.88x = 20,224,134,148.28
  5. Step 5: Solve for x
    x = 20,224,134,148.28/185,121.88
  6. Step 6: Final answer
    x = 109,247.67

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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.