Home / 90,284.50-135,394.80-26,229.32

Finding the Fourth Proportional to 90,284.50, 135,394.80 and 26,229.32

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Solution

The fourth proportional to 90,284.50, 135,394.80 and 26,229.32 is: 39,334.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,284.50 : 135,394.80 = 26,229.32 : x
  2. Step 2: Convert to fraction form
    90,284.50/135,394.80 = 26,229.32/x
  3. Step 3: Cross multiply
    90,284.50x = 135,394.80 × 26,229.32
  4. Step 4: Simplify right side
    90,284.50x = 3,551,313,023.96
  5. Step 5: Solve for x
    x = 3,551,313,023.96/90,284.50
  6. Step 6: Final answer
    x = 39,334.69

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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.