Home / 154,382.88-231,457.52-49,141.20

Finding the Fourth Proportional to 154,382.88, 231,457.52 and 49,141.20

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Solution

The fourth proportional to 154,382.88, 231,457.52 and 49,141.20 is: 73,674.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,382.88 : 231,457.52 = 49,141.20 : x
  2. Step 2: Convert to fraction form
    154,382.88/231,457.52 = 49,141.20/x
  3. Step 3: Cross multiply
    154,382.88x = 231,457.52 × 49,141.20
  4. Step 4: Simplify right side
    154,382.88x = 11,374,100,281.82
  5. Step 5: Solve for x
    x = 11,374,100,281.82/154,382.88
  6. Step 6: Final answer
    x = 73,674.62

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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.