Home / 173,305.11-239,120.07-100,664.84

Finding the Fourth Proportional to 173,305.11, 239,120.07 and 100,664.84

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Solution

The fourth proportional to 173,305.11, 239,120.07 and 100,664.84 is: 138,893.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,305.11 : 239,120.07 = 100,664.84 : x
  2. Step 2: Convert to fraction form
    173,305.11/239,120.07 = 100,664.84/x
  3. Step 3: Cross multiply
    173,305.11x = 239,120.07 × 100,664.84
  4. Step 4: Simplify right side
    173,305.11x = 24,070,983,135.12
  5. Step 5: Solve for x
    x = 24,070,983,135.12/173,305.11
  6. Step 6: Final answer
    x = 138,893.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.