Home / 250,035.64-345,040.56-142,640.44

Finding the Fourth Proportional to 250,035.64, 345,040.56 and 142,640.44

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Solution

The fourth proportional to 250,035.64, 345,040.56 and 142,640.44 is: 196,838.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,035.64 : 345,040.56 = 142,640.44 : x
  2. Step 2: Convert to fraction form
    250,035.64/345,040.56 = 142,640.44/x
  3. Step 3: Cross multiply
    250,035.64x = 345,040.56 × 142,640.44
  4. Step 4: Simplify right side
    250,035.64x = 49,216,737,296.25
  5. Step 5: Solve for x
    x = 49,216,737,296.25/250,035.64
  6. Step 6: Final answer
    x = 196,838.89

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1.5x scale

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.