Home / 152,495.28-228,781.64-45,878.64

Finding the Fourth Proportional to 152,495.28, 228,781.64 and 45,878.64

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Solution

The fourth proportional to 152,495.28, 228,781.64 and 45,878.64 is: 68,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,495.28 : 228,781.64 = 45,878.64 : x
  2. Step 2: Convert to fraction form
    152,495.28/228,781.64 = 45,878.64/x
  3. Step 3: Cross multiply
    152,495.28x = 228,781.64 × 45,878.64
  4. Step 4: Simplify right side
    152,495.28x = 10,496,190,500.17
  5. Step 5: Solve for x
    x = 10,496,190,500.17/152,495.28
  6. Step 6: Final answer
    x = 68,829.61

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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.