Home / 134,971.38-202,436.33-45,015.68

Finding the Fourth Proportional to 134,971.38, 202,436.33 and 45,015.68

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Solution

The fourth proportional to 134,971.38, 202,436.33 and 45,015.68 is: 67,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,971.38 : 202,436.33 = 45,015.68 : x
  2. Step 2: Convert to fraction form
    134,971.38/202,436.33 = 45,015.68/x
  3. Step 3: Cross multiply
    134,971.38x = 202,436.33 × 45,015.68
  4. Step 4: Simplify right side
    134,971.38x = 9,112,809,051.65
  5. Step 5: Solve for x
    x = 9,112,809,051.65/134,971.38
  6. Step 6: Final answer
    x = 67,516.60

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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.