Home / 154,530.18-231,814.71-54,666.90

Finding the Fourth Proportional to 154,530.18, 231,814.71 and 54,666.90

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Solution

The fourth proportional to 154,530.18, 231,814.71 and 54,666.90 is: 82,007.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,530.18 : 231,814.71 = 54,666.90 : x
  2. Step 2: Convert to fraction form
    154,530.18/231,814.71 = 54,666.90/x
  3. Step 3: Cross multiply
    154,530.18x = 231,814.71 × 54,666.90
  4. Step 4: Simplify right side
    154,530.18x = 12,672,591,570.10
  5. Step 5: Solve for x
    x = 12,672,591,570.10/154,530.18
  6. Step 6: Final answer
    x = 82,007.23

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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.