Home / 85,019.40-127,226.70-74,046.60

Finding the Fourth Proportional to 85,019.40, 127,226.70 and 74,046.60

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Solution

The fourth proportional to 85,019.40, 127,226.70 and 74,046.60 is: 110,806.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,019.40 : 127,226.70 = 74,046.60 : x
  2. Step 2: Convert to fraction form
    85,019.40/127,226.70 = 74,046.60/x
  3. Step 3: Cross multiply
    85,019.40x = 127,226.70 × 74,046.60
  4. Step 4: Simplify right side
    85,019.40x = 9,420,704,564.22
  5. Step 5: Solve for x
    x = 9,420,704,564.22/85,019.40
  6. Step 6: Final answer
    x = 110,806.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.