Home / 127,099.76-190,650.99-38,354.05

Finding the Fourth Proportional to 127,099.76, 190,650.99 and 38,354.05

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Solution

The fourth proportional to 127,099.76, 190,650.99 and 38,354.05 is: 57,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,099.76 : 190,650.99 = 38,354.05 : x
  2. Step 2: Convert to fraction form
    127,099.76/190,650.99 = 38,354.05/x
  3. Step 3: Cross multiply
    127,099.76x = 190,650.99 × 38,354.05
  4. Step 4: Simplify right side
    127,099.76x = 7,312,236,649.75
  5. Step 5: Solve for x
    x = 7,312,236,649.75/127,099.76
  6. Step 6: Final answer
    x = 57,531.47

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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.