Home / 127,632.44-191,354.69-43,369.89

Finding the Fourth Proportional to 127,632.44, 191,354.69 and 43,369.89

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Solution

The fourth proportional to 127,632.44, 191,354.69 and 43,369.89 is: 65,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,632.44 : 191,354.69 = 43,369.89 : x
  2. Step 2: Convert to fraction form
    127,632.44/191,354.69 = 43,369.89/x
  3. Step 3: Cross multiply
    127,632.44x = 191,354.69 × 43,369.89
  4. Step 4: Simplify right side
    127,632.44x = 8,299,031,639.43
  5. Step 5: Solve for x
    x = 8,299,031,639.43/127,632.44
  6. Step 6: Final answer
    x = 65,022.90

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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.