Home / 152,442.32-228,571.11-68,186.77

Finding the Fourth Proportional to 152,442.32, 228,571.11 and 68,186.77

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Solution

The fourth proportional to 152,442.32, 228,571.11 and 68,186.77 is: 102,238.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,442.32 : 228,571.11 = 68,186.77 : x
  2. Step 2: Convert to fraction form
    152,442.32/228,571.11 = 68,186.77/x
  3. Step 3: Cross multiply
    152,442.32x = 228,571.11 × 68,186.77
  4. Step 4: Simplify right side
    152,442.32x = 15,585,525,134.79
  5. Step 5: Solve for x
    x = 15,585,525,134.79/152,442.32
  6. Step 6: Final answer
    x = 102,238.84

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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.