Home / 185,712.40-256,283.82-100,829.44

Finding the Fourth Proportional to 185,712.40, 256,283.82 and 100,829.44

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Solution

The fourth proportional to 185,712.40, 256,283.82 and 100,829.44 is: 139,145.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,712.40 : 256,283.82 = 100,829.44 : x
  2. Step 2: Convert to fraction form
    185,712.40/256,283.82 = 100,829.44/x
  3. Step 3: Cross multiply
    185,712.40x = 256,283.82 × 100,829.44
  4. Step 4: Simplify right side
    185,712.40x = 25,840,954,051.66
  5. Step 5: Solve for x
    x = 25,840,954,051.66/185,712.40
  6. Step 6: Final answer
    x = 139,145.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.