Home / 154,661.94-231,525.81-139,877.82

Finding the Fourth Proportional to 154,661.94, 231,525.81 and 139,877.82

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Solution

The fourth proportional to 154,661.94, 231,525.81 and 139,877.82 is: 209,394.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,661.94 : 231,525.81 = 139,877.82 : x
  2. Step 2: Convert to fraction form
    154,661.94/231,525.81 = 139,877.82/x
  3. Step 3: Cross multiply
    154,661.94x = 231,525.81 × 139,877.82
  4. Step 4: Simplify right side
    154,661.94x = 32,385,325,576.53
  5. Step 5: Solve for x
    x = 32,385,325,576.53/154,661.94
  6. Step 6: Final answer
    x = 209,394.28

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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.