Home / 156,051.20-234,076.80-146,209.70

Finding the Fourth Proportional to 156,051.20, 234,076.80 and 146,209.70

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Solution

The fourth proportional to 156,051.20, 234,076.80 and 146,209.70 is: 219,314.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,051.20 : 234,076.80 = 146,209.70 : x
  2. Step 2: Convert to fraction form
    156,051.20/234,076.80 = 146,209.70/x
  3. Step 3: Cross multiply
    156,051.20x = 234,076.80 × 146,209.70
  4. Step 4: Simplify right side
    156,051.20x = 34,224,298,704.96
  5. Step 5: Solve for x
    x = 34,224,298,704.96/156,051.20
  6. Step 6: Final answer
    x = 219,314.55

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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.