Home / 142,046.33-212,866.50-104,310.41

Finding the Fourth Proportional to 142,046.33, 212,866.50 and 104,310.41

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Solution

The fourth proportional to 142,046.33, 212,866.50 and 104,310.41 is: 156,316.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,046.33 : 212,866.50 = 104,310.41 : x
  2. Step 2: Convert to fraction form
    142,046.33/212,866.50 = 104,310.41/x
  3. Step 3: Cross multiply
    142,046.33x = 212,866.50 × 104,310.41
  4. Step 4: Simplify right side
    142,046.33x = 22,204,191,890.27
  5. Step 5: Solve for x
    x = 22,204,191,890.27/142,046.33
  6. Step 6: Final answer
    x = 156,316.55

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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.