Home / 250,108.54-345,182.64-142,653.94

Finding the Fourth Proportional to 250,108.54, 345,182.64 and 142,653.94

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Solution

The fourth proportional to 250,108.54, 345,182.64 and 142,653.94 is: 196,881.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,108.54 : 345,182.64 = 142,653.94 : x
  2. Step 2: Convert to fraction form
    250,108.54/345,182.64 = 142,653.94/x
  3. Step 3: Cross multiply
    250,108.54x = 345,182.64 × 142,653.94
  4. Step 4: Simplify right side
    250,108.54x = 49,241,663,615.60
  5. Step 5: Solve for x
    x = 49,241,663,615.60/250,108.54
  6. Step 6: Final answer
    x = 196,881.18

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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.