Home / 152,442.90-228,664.35-131,447.70

Finding the Fourth Proportional to 152,442.90, 228,664.35 and 131,447.70

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Solution

The fourth proportional to 152,442.90, 228,664.35 and 131,447.70 is: 197,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,442.90 : 228,664.35 = 131,447.70 : x
  2. Step 2: Convert to fraction form
    152,442.90/228,664.35 = 131,447.70/x
  3. Step 3: Cross multiply
    152,442.90x = 228,664.35 × 131,447.70
  4. Step 4: Simplify right side
    152,442.90x = 30,057,402,879.50
  5. Step 5: Solve for x
    x = 30,057,402,879.50/152,442.90
  6. Step 6: Final answer
    x = 197,171.55

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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.