Home / 82,159.30-113,398.75-48,178.73

Finding the Fourth Proportional to 82,159.30, 113,398.75 and 48,178.73

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Solution

The fourth proportional to 82,159.30, 113,398.75 and 48,178.73 is: 66,497.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,159.30 : 113,398.75 = 48,178.73 : x
  2. Step 2: Convert to fraction form
    82,159.30/113,398.75 = 48,178.73/x
  3. Step 3: Cross multiply
    82,159.30x = 113,398.75 × 48,178.73
  4. Step 4: Simplify right side
    82,159.30x = 5,463,407,758.59
  5. Step 5: Solve for x
    x = 5,463,407,758.59/82,159.30
  6. Step 6: Final answer
    x = 66,497.74

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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.