Home / 142,273.85-213,347.57-75,699.95

Finding the Fourth Proportional to 142,273.85, 213,347.57 and 75,699.95

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Solution

The fourth proportional to 142,273.85, 213,347.57 and 75,699.95 is: 113,516.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,273.85 : 213,347.57 = 75,699.95 : x
  2. Step 2: Convert to fraction form
    142,273.85/213,347.57 = 75,699.95/x
  3. Step 3: Cross multiply
    142,273.85x = 213,347.57 × 75,699.95
  4. Step 4: Simplify right side
    142,273.85x = 16,150,398,936.38
  5. Step 5: Solve for x
    x = 16,150,398,936.38/142,273.85
  6. Step 6: Final answer
    x = 113,516.29

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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.