Home / 142,865.64-214,233.56-68,076.18

Finding the Fourth Proportional to 142,865.64, 214,233.56 and 68,076.18

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Solution

The fourth proportional to 142,865.64, 214,233.56 and 68,076.18 is: 102,083.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,865.64 : 214,233.56 = 68,076.18 : x
  2. Step 2: Convert to fraction form
    142,865.64/214,233.56 = 68,076.18/x
  3. Step 3: Cross multiply
    142,865.64x = 214,233.56 × 68,076.18
  4. Step 4: Simplify right side
    142,865.64x = 14,584,202,307.51
  5. Step 5: Solve for x
    x = 14,584,202,307.51/142,865.64
  6. Step 6: Final answer
    x = 102,083.34

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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.