Home / 119,948.56-165,528.20-66,236.96

Finding the Fourth Proportional to 119,948.56, 165,528.20 and 66,236.96

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Solution

The fourth proportional to 119,948.56, 165,528.20 and 66,236.96 is: 91,406.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,948.56 : 165,528.20 = 66,236.96 : x
  2. Step 2: Convert to fraction form
    119,948.56/165,528.20 = 66,236.96/x
  3. Step 3: Cross multiply
    119,948.56x = 165,528.20 × 66,236.96
  4. Step 4: Simplify right side
    119,948.56x = 10,964,084,762.27
  5. Step 5: Solve for x
    x = 10,964,084,762.27/119,948.56
  6. Step 6: Final answer
    x = 91,406.56

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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.