Home / 90,746.22-135,853.16-63,634.56

Finding the Fourth Proportional to 90,746.22, 135,853.16 and 63,634.56

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Solution

The fourth proportional to 90,746.22, 135,853.16 and 63,634.56 is: 95,265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,746.22 : 135,853.16 = 63,634.56 : x
  2. Step 2: Convert to fraction form
    90,746.22/135,853.16 = 63,634.56/x
  3. Step 3: Cross multiply
    90,746.22x = 135,853.16 × 63,634.56
  4. Step 4: Simplify right side
    90,746.22x = 8,644,956,061.21
  5. Step 5: Solve for x
    x = 8,644,956,061.21/90,746.22
  6. Step 6: Final answer
    x = 95,265.19

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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.