Home / 208,032.90-312,049.35-88,108.76

Finding the Fourth Proportional to 208,032.90, 312,049.35 and 88,108.76

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Solution

The fourth proportional to 208,032.90, 312,049.35 and 88,108.76 is: 132,163.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,032.90 : 312,049.35 = 88,108.76 : x
  2. Step 2: Convert to fraction form
    208,032.90/312,049.35 = 88,108.76/x
  3. Step 3: Cross multiply
    208,032.90x = 312,049.35 × 88,108.76
  4. Step 4: Simplify right side
    208,032.90x = 27,494,279,727.06
  5. Step 5: Solve for x
    x = 27,494,279,727.06/208,032.90
  6. Step 6: Final answer
    x = 132,163.13

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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.