Home / 250,199.11-345,189.09-142,691.86

Finding the Fourth Proportional to 250,199.11, 345,189.09 and 142,691.86

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Solution

The fourth proportional to 250,199.11, 345,189.09 and 142,691.86 is: 196,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,199.11 : 345,189.09 = 142,691.86 : x
  2. Step 2: Convert to fraction form
    250,199.11/345,189.09 = 142,691.86/x
  3. Step 3: Cross multiply
    250,199.11x = 345,189.09 × 142,691.86
  4. Step 4: Simplify right side
    250,199.11x = 49,255,673,303.81
  5. Step 5: Solve for x
    x = 49,255,673,303.81/250,199.11
  6. Step 6: Final answer
    x = 196,865.90

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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.