Home / 90,815.75-136,228.74-27,637.93

Finding the Fourth Proportional to 90,815.75, 136,228.74 and 27,637.93

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Solution

The fourth proportional to 90,815.75, 136,228.74 and 27,637.93 is: 41,458.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,815.75 : 136,228.74 = 27,637.93 : x
  2. Step 2: Convert to fraction form
    90,815.75/136,228.74 = 27,637.93/x
  3. Step 3: Cross multiply
    90,815.75x = 136,228.74 × 27,637.93
  4. Step 4: Simplify right side
    90,815.75x = 3,765,079,698.96
  5. Step 5: Solve for x
    x = 3,765,079,698.96/90,815.75
  6. Step 6: Final answer
    x = 41,458.44

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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.