Home / 250,277.36-345,298.22-142,771.74

Finding the Fourth Proportional to 250,277.36, 345,298.22 and 142,771.74

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Solution

The fourth proportional to 250,277.36, 345,298.22 and 142,771.74 is: 196,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,277.36 : 345,298.22 = 142,771.74 : x
  2. Step 2: Convert to fraction form
    250,277.36/345,298.22 = 142,771.74/x
  3. Step 3: Cross multiply
    250,277.36x = 345,298.22 × 142,771.74
  4. Step 4: Simplify right side
    250,277.36x = 49,298,827,688.30
  5. Step 5: Solve for x
    x = 49,298,827,688.30/250,277.36
  6. Step 6: Final answer
    x = 196,976.78

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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.