Home / 250,276.36-345,296.84-142,770.72

Finding the Fourth Proportional to 250,276.36, 345,296.84 and 142,770.72

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Solution

The fourth proportional to 250,276.36, 345,296.84 and 142,770.72 is: 196,975.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,276.36 : 345,296.84 = 142,770.72 : x
  2. Step 2: Convert to fraction form
    250,276.36/345,296.84 = 142,770.72/x
  3. Step 3: Cross multiply
    250,276.36x = 345,296.84 × 142,770.72
  4. Step 4: Simplify right side
    250,276.36x = 49,298,278,460.52
  5. Step 5: Solve for x
    x = 49,298,278,460.52/250,276.36
  6. Step 6: Final answer
    x = 196,975.37

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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.