Home / 250,057.29-375,150.38-90,126.84

Finding the Fourth Proportional to 250,057.29, 375,150.38 and 90,126.84

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Solution

The fourth proportional to 250,057.29, 375,150.38 and 90,126.84 is: 135,213.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,057.29 : 375,150.38 = 90,126.84 : x
  2. Step 2: Convert to fraction form
    250,057.29/375,150.38 = 90,126.84/x
  3. Step 3: Cross multiply
    250,057.29x = 375,150.38 × 90,126.84
  4. Step 4: Simplify right side
    250,057.29x = 33,811,118,274.20
  5. Step 5: Solve for x
    x = 33,811,118,274.20/250,057.29
  6. Step 6: Final answer
    x = 135,213.49

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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.