Home / 250,103.03-375,160.12-90,191.87

Finding the Fourth Proportional to 250,103.03, 375,160.12 and 90,191.87

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Solution

The fourth proportional to 250,103.03, 375,160.12 and 90,191.87 is: 135,289.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,103.03 : 375,160.12 = 90,191.87 : x
  2. Step 2: Convert to fraction form
    250,103.03/375,160.12 = 90,191.87/x
  3. Step 3: Cross multiply
    250,103.03x = 375,160.12 × 90,191.87
  4. Step 4: Simplify right side
    250,103.03x = 33,836,393,484.65
  5. Step 5: Solve for x
    x = 33,836,393,484.65/250,103.03
  6. Step 6: Final answer
    x = 135,289.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.