Home / 154,491.06-231,464.04-135,301.57

Finding the Fourth Proportional to 154,491.06, 231,464.04 and 135,301.57

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Solution

The fourth proportional to 154,491.06, 231,464.04 and 135,301.57 is: 202,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,491.06 : 231,464.04 = 135,301.57 : x
  2. Step 2: Convert to fraction form
    154,491.06/231,464.04 = 135,301.57/x
  3. Step 3: Cross multiply
    154,491.06x = 231,464.04 × 135,301.57
  4. Step 4: Simplify right side
    154,491.06x = 31,317,448,010.54
  5. Step 5: Solve for x
    x = 31,317,448,010.54/154,491.06
  6. Step 6: Final answer
    x = 202,713.66

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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.