Home / 85,340.39-127,361.67-75,882.13

Finding the Fourth Proportional to 85,340.39, 127,361.67 and 75,882.13

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Solution

The fourth proportional to 85,340.39, 127,361.67 and 75,882.13 is: 113,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,340.39 : 127,361.67 = 75,882.13 : x
  2. Step 2: Convert to fraction form
    85,340.39/127,361.67 = 75,882.13/x
  3. Step 3: Cross multiply
    85,340.39x = 127,361.67 × 75,882.13
  4. Step 4: Simplify right side
    85,340.39x = 9,664,474,799.96
  5. Step 5: Solve for x
    x = 9,664,474,799.96/85,340.39
  6. Step 6: Final answer
    x = 113,246.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.