Home / 250,044.12-345,121.02-142,677

Finding the Fourth Proportional to 250,044.12, 345,121.02 and 142,677

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Solution

The fourth proportional to 250,044.12, 345,121.02 and 142,677 is: 196,928.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,044.12 : 345,121.02 = 142,677 : x
  2. Step 2: Convert to fraction form
    250,044.12/345,121.02 = 142,677/x
  3. Step 3: Cross multiply
    250,044.12x = 345,121.02 × 142,677
  4. Step 4: Simplify right side
    250,044.12x = 49,240,831,770.54
  5. Step 5: Solve for x
    x = 49,240,831,770.54/250,044.12
  6. Step 6: Final answer
    x = 196,928.57

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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.