Home / 127,396.26-191,094.80-38,650.50

Finding the Fourth Proportional to 127,396.26, 191,094.80 and 38,650.50

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Solution

The fourth proportional to 127,396.26, 191,094.80 and 38,650.50 is: 57,975.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,396.26 : 191,094.80 = 38,650.50 : x
  2. Step 2: Convert to fraction form
    127,396.26/191,094.80 = 38,650.50/x
  3. Step 3: Cross multiply
    127,396.26x = 191,094.80 × 38,650.50
  4. Step 4: Simplify right side
    127,396.26x = 7,385,909,374.15
  5. Step 5: Solve for x
    x = 7,385,909,374.15/127,396.26
  6. Step 6: Final answer
    x = 57,975.87

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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.