Home / 142,236.99-196,326.14-88,489.94

Finding the Fourth Proportional to 142,236.99, 196,326.14 and 88,489.94

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Solution

The fourth proportional to 142,236.99, 196,326.14 and 88,489.94 is: 122,140.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,236.99 : 196,326.14 = 88,489.94 : x
  2. Step 2: Convert to fraction form
    142,236.99/196,326.14 = 88,489.94/x
  3. Step 3: Cross multiply
    142,236.99x = 196,326.14 × 88,489.94
  4. Step 4: Simplify right side
    142,236.99x = 17,372,886,924.95
  5. Step 5: Solve for x
    x = 17,372,886,924.95/142,236.99
  6. Step 6: Final answer
    x = 122,140.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.