Home / 152,477.28-228,623.30-68,221.74

Finding the Fourth Proportional to 152,477.28, 228,623.30 and 68,221.74

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Solution

The fourth proportional to 152,477.28, 228,623.30 and 68,221.74 is: 102,291.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,477.28 : 228,623.30 = 68,221.74 : x
  2. Step 2: Convert to fraction form
    152,477.28/228,623.30 = 68,221.74/x
  3. Step 3: Cross multiply
    152,477.28x = 228,623.30 × 68,221.74
  4. Step 4: Simplify right side
    152,477.28x = 15,597,079,330.54
  5. Step 5: Solve for x
    x = 15,597,079,330.54/152,477.28
  6. Step 6: Final answer
    x = 102,291.17

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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.