Home / 90,370.17-135,572.31-34,227.09

Finding the Fourth Proportional to 90,370.17, 135,572.31 and 34,227.09

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Solution

The fourth proportional to 90,370.17, 135,572.31 and 34,227.09 is: 51,347.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,370.17 : 135,572.31 = 34,227.09 : x
  2. Step 2: Convert to fraction form
    90,370.17/135,572.31 = 34,227.09/x
  3. Step 3: Cross multiply
    90,370.17x = 135,572.31 × 34,227.09
  4. Step 4: Simplify right side
    90,370.17x = 4,640,245,655.88
  5. Step 5: Solve for x
    x = 4,640,245,655.88/90,370.17
  6. Step 6: Final answer
    x = 51,347.09

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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.