Home / 142,169.01-213,315.77-67,342.56

Finding the Fourth Proportional to 142,169.01, 213,315.77 and 67,342.56

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Solution

The fourth proportional to 142,169.01, 213,315.77 and 67,342.56 is: 101,043.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,169.01 : 213,315.77 = 67,342.56 : x
  2. Step 2: Convert to fraction form
    142,169.01/213,315.77 = 67,342.56/x
  3. Step 3: Cross multiply
    142,169.01x = 213,315.77 × 67,342.56
  4. Step 4: Simplify right side
    142,169.01x = 14,365,230,040.17
  5. Step 5: Solve for x
    x = 14,365,230,040.17/142,169.01
  6. Step 6: Final answer
    x = 101,043.33

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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.