Home / 134,236.80-185,242.82-76,874.22

Finding the Fourth Proportional to 134,236.80, 185,242.82 and 76,874.22

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Solution

The fourth proportional to 134,236.80, 185,242.82 and 76,874.22 is: 106,084.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,236.80 : 185,242.82 = 76,874.22 : x
  2. Step 2: Convert to fraction form
    134,236.80/185,242.82 = 76,874.22/x
  3. Step 3: Cross multiply
    134,236.80x = 185,242.82 × 76,874.22
  4. Step 4: Simplify right side
    134,236.80x = 14,240,396,913.73
  5. Step 5: Solve for x
    x = 14,240,396,913.73/134,236.80
  6. Step 6: Final answer
    x = 106,084.15

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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.