Home / 86,179.41-118,918.50-47,932.73

Finding the Fourth Proportional to 86,179.41, 118,918.50 and 47,932.73

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Solution

The fourth proportional to 86,179.41, 118,918.50 and 47,932.73 is: 66,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,179.41 : 118,918.50 = 47,932.73 : x
  2. Step 2: Convert to fraction form
    86,179.41/118,918.50 = 47,932.73/x
  3. Step 3: Cross multiply
    86,179.41x = 118,918.50 × 47,932.73
  4. Step 4: Simplify right side
    86,179.41x = 5,700,088,352.51
  5. Step 5: Solve for x
    x = 5,700,088,352.51/86,179.41
  6. Step 6: Final answer
    x = 66,142.11

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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.