Home / 142,849.85-197,081.96-82,435.77

Finding the Fourth Proportional to 142,849.85, 197,081.96 and 82,435.77

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Solution

The fourth proportional to 142,849.85, 197,081.96 and 82,435.77 is: 113,732.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,849.85 : 197,081.96 = 82,435.77 : x
  2. Step 2: Convert to fraction form
    142,849.85/197,081.96 = 82,435.77/x
  3. Step 3: Cross multiply
    142,849.85x = 197,081.96 × 82,435.77
  4. Step 4: Simplify right side
    142,849.85x = 16,246,602,713.53
  5. Step 5: Solve for x
    x = 16,246,602,713.53/142,849.85
  6. Step 6: Final answer
    x = 113,732.03

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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.