Home / 90,212.40-135,335.22-37,626.42

Finding the Fourth Proportional to 90,212.40, 135,335.22 and 37,626.42

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Solution

The fourth proportional to 90,212.40, 135,335.22 and 37,626.42 is: 56,446.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,212.40 : 135,335.22 = 37,626.42 : x
  2. Step 2: Convert to fraction form
    90,212.40/135,335.22 = 37,626.42/x
  3. Step 3: Cross multiply
    90,212.40x = 135,335.22 × 37,626.42
  4. Step 4: Simplify right side
    90,212.40x = 5,092,179,828.51
  5. Step 5: Solve for x
    x = 5,092,179,828.51/90,212.40
  6. Step 6: Final answer
    x = 56,446.56

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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.