Home / 154,313.43-231,488.64-54,453

Finding the Fourth Proportional to 154,313.43, 231,488.64 and 54,453

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Solution

The fourth proportional to 154,313.43, 231,488.64 and 54,453 is: 81,686.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,313.43 : 231,488.64 = 54,453 : x
  2. Step 2: Convert to fraction form
    154,313.43/231,488.64 = 54,453/x
  3. Step 3: Cross multiply
    154,313.43x = 231,488.64 × 54,453
  4. Step 4: Simplify right side
    154,313.43x = 12,605,250,913.92
  5. Step 5: Solve for x
    x = 12,605,250,913.92/154,313.43
  6. Step 6: Final answer
    x = 81,686.03

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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.