Home / 145,929.88-201,380.48-82,267.72

Finding the Fourth Proportional to 145,929.88, 201,380.48 and 82,267.72

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Solution

The fourth proportional to 145,929.88, 201,380.48 and 82,267.72 is: 113,527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,929.88 : 201,380.48 = 82,267.72 : x
  2. Step 2: Convert to fraction form
    145,929.88/201,380.48 = 82,267.72/x
  3. Step 3: Cross multiply
    145,929.88x = 201,380.48 × 82,267.72
  4. Step 4: Simplify right side
    145,929.88x = 16,567,112,942.11
  5. Step 5: Solve for x
    x = 16,567,112,942.11/145,929.88
  6. Step 6: Final answer
    x = 113,527.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.