Home / 173,188.12-238,981.36-100,576.84

Finding the Fourth Proportional to 173,188.12, 238,981.36 and 100,576.84

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Solution

The fourth proportional to 173,188.12, 238,981.36 and 100,576.84 is: 138,785.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,188.12 : 238,981.36 = 100,576.84 : x
  2. Step 2: Convert to fraction form
    173,188.12/238,981.36 = 100,576.84/x
  3. Step 3: Cross multiply
    173,188.12x = 238,981.36 × 100,576.84
  4. Step 4: Simplify right side
    173,188.12x = 24,035,990,007.70
  5. Step 5: Solve for x
    x = 24,035,990,007.70/173,188.12
  6. Step 6: Final answer
    x = 138,785.44

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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.