Home / 152,422.11-228,566.96-81,328.89

Finding the Fourth Proportional to 152,422.11, 228,566.96 and 81,328.89

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Solution

The fourth proportional to 152,422.11, 228,566.96 and 81,328.89 is: 121,958.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,422.11 : 228,566.96 = 81,328.89 : x
  2. Step 2: Convert to fraction form
    152,422.11/228,566.96 = 81,328.89/x
  3. Step 3: Cross multiply
    152,422.11x = 228,566.96 × 81,328.89
  4. Step 4: Simplify right side
    152,422.11x = 18,589,097,363.62
  5. Step 5: Solve for x
    x = 18,589,097,363.62/152,422.11
  6. Step 6: Final answer
    x = 121,958.01

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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.