Home / 208,501.95-312,634.41-82,073.66

Finding the Fourth Proportional to 208,501.95, 312,634.41 and 82,073.66

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Solution

The fourth proportional to 208,501.95, 312,634.41 and 82,073.66 is: 123,063.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,501.95 : 312,634.41 = 82,073.66 : x
  2. Step 2: Convert to fraction form
    208,501.95/312,634.41 = 82,073.66/x
  3. Step 3: Cross multiply
    208,501.95x = 312,634.41 × 82,073.66
  4. Step 4: Simplify right side
    208,501.95x = 25,659,048,707.47
  5. Step 5: Solve for x
    x = 25,659,048,707.47/208,501.95
  6. Step 6: Final answer
    x = 123,063.83

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1.5x scale

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.