Home / 151,970.59-228,021.50-81,835.93

Finding the Fourth Proportional to 151,970.59, 228,021.50 and 81,835.93

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Solution

The fourth proportional to 151,970.59, 228,021.50 and 81,835.93 is: 122,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,970.59 : 228,021.50 = 81,835.93 : x
  2. Step 2: Convert to fraction form
    151,970.59/228,021.50 = 81,835.93/x
  3. Step 3: Cross multiply
    151,970.59x = 228,021.50 × 81,835.93
  4. Step 4: Simplify right side
    151,970.59x = 18,660,351,512.50
  5. Step 5: Solve for x
    x = 18,660,351,512.50/151,970.59
  6. Step 6: Final answer
    x = 122,789.23

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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.