Home / 142,532.88-196,716.14-82,091.76

Finding the Fourth Proportional to 142,532.88, 196,716.14 and 82,091.76

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Solution

The fourth proportional to 142,532.88, 196,716.14 and 82,091.76 is: 113,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,532.88 : 196,716.14 = 82,091.76 : x
  2. Step 2: Convert to fraction form
    142,532.88/196,716.14 = 82,091.76/x
  3. Step 3: Cross multiply
    142,532.88x = 196,716.14 × 82,091.76
  4. Step 4: Simplify right side
    142,532.88x = 16,148,774,153.01
  5. Step 5: Solve for x
    x = 16,148,774,153.01/142,532.88
  6. Step 6: Final answer
    x = 113,298.59

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1.5x scale

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.