Home / 90,650.40-135,974.98-35,246.40

Finding the Fourth Proportional to 90,650.40, 135,974.98 and 35,246.40

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Solution

The fourth proportional to 90,650.40, 135,974.98 and 35,246.40 is: 52,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,650.40 : 135,974.98 = 35,246.40 : x
  2. Step 2: Convert to fraction form
    90,650.40/135,974.98 = 35,246.40/x
  3. Step 3: Cross multiply
    90,650.40x = 135,974.98 × 35,246.40
  4. Step 4: Simplify right side
    90,650.40x = 4,792,628,535.07
  5. Step 5: Solve for x
    x = 4,792,628,535.07/90,650.40
  6. Step 6: Final answer
    x = 52,869.36

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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.