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Finding the Fourth Proportional to 127,337, 191,017.65 and 52,462.22

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Solution

The fourth proportional to 127,337, 191,017.65 and 52,462.22 is: 78,698.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,337 : 191,017.65 = 52,462.22 : x
  2. Step 2: Convert to fraction form
    127,337/191,017.65 = 52,462.22/x
  3. Step 3: Cross multiply
    127,337x = 191,017.65 × 52,462.22
  4. Step 4: Simplify right side
    127,337x = 10,021,209,978.18
  5. Step 5: Solve for x
    x = 10,021,209,978.18/127,337
  6. Step 6: Final answer
    x = 78,698.34

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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.