Home / 117,933.83-176,913.20-68,012.85

Finding the Fourth Proportional to 117,933.83, 176,913.20 and 68,012.85

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Solution

The fourth proportional to 117,933.83, 176,913.20 and 68,012.85 is: 102,026.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,933.83 : 176,913.20 = 68,012.85 : x
  2. Step 2: Convert to fraction form
    117,933.83/176,913.20 = 68,012.85/x
  3. Step 3: Cross multiply
    117,933.83x = 176,913.20 × 68,012.85
  4. Step 4: Simplify right side
    117,933.83x = 12,032,370,934.62
  5. Step 5: Solve for x
    x = 12,032,370,934.62/117,933.83
  6. Step 6: Final answer
    x = 102,026.46

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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.