Home / 127,334.89-190,981.15-38,567.29

Finding the Fourth Proportional to 127,334.89, 190,981.15 and 38,567.29

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Solution

The fourth proportional to 127,334.89, 190,981.15 and 38,567.29 is: 57,844.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,334.89 : 190,981.15 = 38,567.29 : x
  2. Step 2: Convert to fraction form
    127,334.89/190,981.15 = 38,567.29/x
  3. Step 3: Cross multiply
    127,334.89x = 190,981.15 × 38,567.29
  4. Step 4: Simplify right side
    127,334.89x = 7,365,625,396.58
  5. Step 5: Solve for x
    x = 7,365,625,396.58/127,334.89
  6. Step 6: Final answer
    x = 57,844.52

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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.