Home / 135,035.40-186,353.46-84,762.12

Finding the Fourth Proportional to 135,035.40, 186,353.46 and 84,762.12

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Solution

The fourth proportional to 135,035.40, 186,353.46 and 84,762.12 is: 116,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,035.40 : 186,353.46 = 84,762.12 : x
  2. Step 2: Convert to fraction form
    135,035.40/186,353.46 = 84,762.12/x
  3. Step 3: Cross multiply
    135,035.40x = 186,353.46 × 84,762.12
  4. Step 4: Simplify right side
    135,035.40x = 15,795,714,338.94
  5. Step 5: Solve for x
    x = 15,795,714,338.94/135,035.40
  6. Step 6: Final answer
    x = 116,974.62

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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.