Home / 154,247.40-231,389.58-54,386.94

Finding the Fourth Proportional to 154,247.40, 231,389.58 and 54,386.94

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Solution

The fourth proportional to 154,247.40, 231,389.58 and 54,386.94 is: 81,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,247.40 : 231,389.58 = 54,386.94 : x
  2. Step 2: Convert to fraction form
    154,247.40/231,389.58 = 54,386.94/x
  3. Step 3: Cross multiply
    154,247.40x = 231,389.58 × 54,386.94
  4. Step 4: Simplify right side
    154,247.40x = 12,584,571,204.09
  5. Step 5: Solve for x
    x = 12,584,571,204.09/154,247.40
  6. Step 6: Final answer
    x = 81,586.93

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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.