Home / 156,001.80-234,002.70-154,446.60

Finding the Fourth Proportional to 156,001.80, 234,002.70 and 154,446.60

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Solution

The fourth proportional to 156,001.80, 234,002.70 and 154,446.60 is: 231,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,001.80 : 234,002.70 = 154,446.60 : x
  2. Step 2: Convert to fraction form
    156,001.80/234,002.70 = 154,446.60/x
  3. Step 3: Cross multiply
    156,001.80x = 234,002.70 × 154,446.60
  4. Step 4: Simplify right side
    156,001.80x = 36,140,921,405.82
  5. Step 5: Solve for x
    x = 36,140,921,405.82/156,001.80
  6. Step 6: Final answer
    x = 231,669.90

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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.