Home / 127,705.11-191,556.60-47,763.24

Finding the Fourth Proportional to 127,705.11, 191,556.60 and 47,763.24

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Solution

The fourth proportional to 127,705.11, 191,556.60 and 47,763.24 is: 71,644.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,705.11 : 191,556.60 = 47,763.24 : x
  2. Step 2: Convert to fraction form
    127,705.11/191,556.60 = 47,763.24/x
  3. Step 3: Cross multiply
    127,705.11x = 191,556.60 × 47,763.24
  4. Step 4: Simplify right side
    127,705.11x = 9,149,363,859.38
  5. Step 5: Solve for x
    x = 9,149,363,859.38/127,705.11
  6. Step 6: Final answer
    x = 71,644.46

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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.