Home / 152,520.73-228,645.75-57,684.58

Finding the Fourth Proportional to 152,520.73, 228,645.75 and 57,684.58

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Solution

The fourth proportional to 152,520.73, 228,645.75 and 57,684.58 is: 86,475.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,520.73 : 228,645.75 = 57,684.58 : x
  2. Step 2: Convert to fraction form
    152,520.73/228,645.75 = 57,684.58/x
  3. Step 3: Cross multiply
    152,520.73x = 228,645.75 × 57,684.58
  4. Step 4: Simplify right side
    152,520.73x = 13,189,334,057.54
  5. Step 5: Solve for x
    x = 13,189,334,057.54/152,520.73
  6. Step 6: Final answer
    x = 86,475.68

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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.