Home / 90,262.94-135,472.17-43,555.10

Finding the Fourth Proportional to 90,262.94, 135,472.17 and 43,555.10

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Solution

The fourth proportional to 90,262.94, 135,472.17 and 43,555.10 is: 65,370.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,262.94 : 135,472.17 = 43,555.10 : x
  2. Step 2: Convert to fraction form
    90,262.94/135,472.17 = 43,555.10/x
  3. Step 3: Cross multiply
    90,262.94x = 135,472.17 × 43,555.10
  4. Step 4: Simplify right side
    90,262.94x = 5,900,503,911.57
  5. Step 5: Solve for x
    x = 5,900,503,911.57/90,262.94
  6. Step 6: Final answer
    x = 65,370.17

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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.