Home / 90,222.41-135,233.37-45,757.28

Finding the Fourth Proportional to 90,222.41, 135,233.37 and 45,757.28

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Solution

The fourth proportional to 90,222.41, 135,233.37 and 45,757.28 is: 68,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,222.41 : 135,233.37 = 45,757.28 : x
  2. Step 2: Convert to fraction form
    90,222.41/135,233.37 = 45,757.28/x
  3. Step 3: Cross multiply
    90,222.41x = 135,233.37 × 45,757.28
  4. Step 4: Simplify right side
    90,222.41x = 6,187,911,262.87
  5. Step 5: Solve for x
    x = 6,187,911,262.87/90,222.41
  6. Step 6: Final answer
    x = 68,585.08

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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.