Home / 142,576.74-196,799.73-82,187.76

Finding the Fourth Proportional to 142,576.74, 196,799.73 and 82,187.76

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Solution

The fourth proportional to 142,576.74, 196,799.73 and 82,187.76 is: 113,444.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,576.74 : 196,799.73 = 82,187.76 : x
  2. Step 2: Convert to fraction form
    142,576.74/196,799.73 = 82,187.76/x
  3. Step 3: Cross multiply
    142,576.74x = 196,799.73 × 82,187.76
  4. Step 4: Simplify right side
    142,576.74x = 16,174,528,977.30
  5. Step 5: Solve for x
    x = 16,174,528,977.30/142,576.74
  6. Step 6: Final answer
    x = 113,444.37

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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.