Home / 154,195.56-231,317.82-54,386.28

Finding the Fourth Proportional to 154,195.56, 231,317.82 and 54,386.28

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Solution

The fourth proportional to 154,195.56, 231,317.82 and 54,386.28 is: 81,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,195.56 : 231,317.82 = 54,386.28 : x
  2. Step 2: Convert to fraction form
    154,195.56/231,317.82 = 54,386.28/x
  3. Step 3: Cross multiply
    154,195.56x = 231,317.82 × 54,386.28
  4. Step 4: Simplify right side
    154,195.56x = 12,580,515,727.51
  5. Step 5: Solve for x
    x = 12,580,515,727.51/154,195.56
  6. Step 6: Final answer
    x = 81,588.05

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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.