Home / 250,194.61-345,182.88-142,687.36

Finding the Fourth Proportional to 250,194.61, 345,182.88 and 142,687.36

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Solution

The fourth proportional to 250,194.61, 345,182.88 and 142,687.36 is: 196,859.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,194.61 : 345,182.88 = 142,687.36 : x
  2. Step 2: Convert to fraction form
    250,194.61/345,182.88 = 142,687.36/x
  3. Step 3: Cross multiply
    250,194.61x = 345,182.88 × 142,687.36
  4. Step 4: Simplify right side
    250,194.61x = 49,253,233,864.40
  5. Step 5: Solve for x
    x = 49,253,233,864.40/250,194.61
  6. Step 6: Final answer
    x = 196,859.69

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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.