Home / 154,435.52-231,505.32-49,186.28

Finding the Fourth Proportional to 154,435.52, 231,505.32 and 49,186.28

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Solution

The fourth proportional to 154,435.52, 231,505.32 and 49,186.28 is: 73,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,435.52 : 231,505.32 = 49,186.28 : x
  2. Step 2: Convert to fraction form
    154,435.52/231,505.32 = 49,186.28/x
  3. Step 3: Cross multiply
    154,435.52x = 231,505.32 × 49,186.28
  4. Step 4: Simplify right side
    154,435.52x = 11,386,885,491.01
  5. Step 5: Solve for x
    x = 11,386,885,491.01/154,435.52
  6. Step 6: Final answer
    x = 73,732.30

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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.