Home / 152,101.76-228,135.21-39,792.82

Finding the Fourth Proportional to 152,101.76, 228,135.21 and 39,792.82

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Solution

The fourth proportional to 152,101.76, 228,135.21 and 39,792.82 is: 59,684.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,101.76 : 228,135.21 = 39,792.82 : x
  2. Step 2: Convert to fraction form
    152,101.76/228,135.21 = 39,792.82/x
  3. Step 3: Cross multiply
    152,101.76x = 228,135.21 × 39,792.82
  4. Step 4: Simplify right side
    152,101.76x = 9,078,142,007.55
  5. Step 5: Solve for x
    x = 9,078,142,007.55/152,101.76
  6. Step 6: Final answer
    x = 59,684.66

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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.