Home / 208,764.08-313,148.04-66,630.95

Finding the Fourth Proportional to 208,764.08, 313,148.04 and 66,630.95

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Solution

The fourth proportional to 208,764.08, 313,148.04 and 66,630.95 is: 99,947.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,764.08 : 313,148.04 = 66,630.95 : x
  2. Step 2: Convert to fraction form
    208,764.08/313,148.04 = 66,630.95/x
  3. Step 3: Cross multiply
    208,764.08x = 313,148.04 × 66,630.95
  4. Step 4: Simplify right side
    208,764.08x = 20,865,351,395.84
  5. Step 5: Solve for x
    x = 20,865,351,395.84/208,764.08
  6. Step 6: Final answer
    x = 99,947.04

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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.