Home / 142,534.14-196,636.86-82,090.32

Finding the Fourth Proportional to 142,534.14, 196,636.86 and 82,090.32

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Solution

The fourth proportional to 142,534.14, 196,636.86 and 82,090.32 is: 113,249.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,534.14 : 196,636.86 = 82,090.32 : x
  2. Step 2: Convert to fraction form
    142,534.14/196,636.86 = 82,090.32/x
  3. Step 3: Cross multiply
    142,534.14x = 196,636.86 × 82,090.32
  4. Step 4: Simplify right side
    142,534.14x = 16,141,982,761.20
  5. Step 5: Solve for x
    x = 16,141,982,761.20/142,534.14
  6. Step 6: Final answer
    x = 113,249.94

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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.