Home / 127,292.74-190,948.34-38,553.17

Finding the Fourth Proportional to 127,292.74, 190,948.34 and 38,553.17

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Solution

The fourth proportional to 127,292.74, 190,948.34 and 38,553.17 is: 57,832.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,292.74 : 190,948.34 = 38,553.17 : x
  2. Step 2: Convert to fraction form
    127,292.74/190,948.34 = 38,553.17/x
  3. Step 3: Cross multiply
    127,292.74x = 190,948.34 × 38,553.17
  4. Step 4: Simplify right side
    127,292.74x = 7,361,662,738.02
  5. Step 5: Solve for x
    x = 7,361,662,738.02/127,292.74
  6. Step 6: Final answer
    x = 57,832.54

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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.