Home / 90,101.32-135,171.06-26,926.36

Finding the Fourth Proportional to 90,101.32, 135,171.06 and 26,926.36

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Solution

The fourth proportional to 90,101.32, 135,171.06 and 26,926.36 is: 40,395.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,101.32 : 135,171.06 = 26,926.36 : x
  2. Step 2: Convert to fraction form
    90,101.32/135,171.06 = 26,926.36/x
  3. Step 3: Cross multiply
    90,101.32x = 135,171.06 × 26,926.36
  4. Step 4: Simplify right side
    90,101.32x = 3,639,664,623.14
  5. Step 5: Solve for x
    x = 3,639,664,623.14/90,101.32
  6. Step 6: Final answer
    x = 40,395.24

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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.