Home / 152,078.67-228,129.84-45,454.50

Finding the Fourth Proportional to 152,078.67, 228,129.84 and 45,454.50

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Solution

The fourth proportional to 152,078.67, 228,129.84 and 45,454.50 is: 68,185.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,078.67 : 228,129.84 = 45,454.50 : x
  2. Step 2: Convert to fraction form
    152,078.67/228,129.84 = 45,454.50/x
  3. Step 3: Cross multiply
    152,078.67x = 228,129.84 × 45,454.50
  4. Step 4: Simplify right side
    152,078.67x = 10,369,527,812.28
  5. Step 5: Solve for x
    x = 10,369,527,812.28/152,078.67
  6. Step 6: Final answer
    x = 68,185.29

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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.