Home / 90,338.70-135,632.16-45,995.25

Finding the Fourth Proportional to 90,338.70, 135,632.16 and 45,995.25

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Solution

The fourth proportional to 90,338.70, 135,632.16 and 45,995.25 is: 69,056.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,338.70 : 135,632.16 = 45,995.25 : x
  2. Step 2: Convert to fraction form
    90,338.70/135,632.16 = 45,995.25/x
  3. Step 3: Cross multiply
    90,338.70x = 135,632.16 × 45,995.25
  4. Step 4: Simplify right side
    90,338.70x = 6,238,435,107.24
  5. Step 5: Solve for x
    x = 6,238,435,107.24/90,338.70
  6. Step 6: Final answer
    x = 69,056.06

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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.