Home / 90,224.19-135,382.95-65,468.34

Finding the Fourth Proportional to 90,224.19, 135,382.95 and 65,468.34

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Solution

The fourth proportional to 90,224.19, 135,382.95 and 65,468.34 is: 98,236.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,224.19 : 135,382.95 = 65,468.34 : x
  2. Step 2: Convert to fraction form
    90,224.19/135,382.95 = 65,468.34/x
  3. Step 3: Cross multiply
    90,224.19x = 135,382.95 × 65,468.34
  4. Step 4: Simplify right side
    90,224.19x = 8,863,297,000.80
  5. Step 5: Solve for x
    x = 8,863,297,000.80/90,224.19
  6. Step 6: Final answer
    x = 98,236.37

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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.