Home / 152,367.56-228,463.80-81,202.60

Finding the Fourth Proportional to 152,367.56, 228,463.80 and 81,202.60

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Solution

The fourth proportional to 152,367.56, 228,463.80 and 81,202.60 is: 121,757.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,367.56 : 228,463.80 = 81,202.60 : x
  2. Step 2: Convert to fraction form
    152,367.56/228,463.80 = 81,202.60/x
  3. Step 3: Cross multiply
    152,367.56x = 228,463.80 × 81,202.60
  4. Step 4: Simplify right side
    152,367.56x = 18,551,854,565.88
  5. Step 5: Solve for x
    x = 18,551,854,565.88/152,367.56
  6. Step 6: Final answer
    x = 121,757.25

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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.