Home / 142,273.14-213,205.05-104,536.86

Finding the Fourth Proportional to 142,273.14, 213,205.05 and 104,536.86

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Solution

The fourth proportional to 142,273.14, 213,205.05 and 104,536.86 is: 156,654.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,273.14 : 213,205.05 = 104,536.86 : x
  2. Step 2: Convert to fraction form
    142,273.14/213,205.05 = 104,536.86/x
  3. Step 3: Cross multiply
    142,273.14x = 213,205.05 × 104,536.86
  4. Step 4: Simplify right side
    142,273.14x = 22,287,786,463.14
  5. Step 5: Solve for x
    x = 22,287,786,463.14/142,273.14
  6. Step 6: Final answer
    x = 156,654.91

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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.