Home / 250,243.94-345,332.72-142,811.20

Finding the Fourth Proportional to 250,243.94, 345,332.72 and 142,811.20

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Solution

The fourth proportional to 250,243.94, 345,332.72 and 142,811.20 is: 197,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,243.94 : 345,332.72 = 142,811.20 : x
  2. Step 2: Convert to fraction form
    250,243.94/345,332.72 = 142,811.20/x
  3. Step 3: Cross multiply
    250,243.94x = 345,332.72 × 142,811.20
  4. Step 4: Simplify right side
    250,243.94x = 49,317,380,142.46
  5. Step 5: Solve for x
    x = 49,317,380,142.46/250,243.94
  6. Step 6: Final answer
    x = 197,077.22

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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.