Home / 90,186.58-135,285.81-23,628.34

Finding the Fourth Proportional to 90,186.58, 135,285.81 and 23,628.34

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Solution

The fourth proportional to 90,186.58, 135,285.81 and 23,628.34 is: 35,444.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,186.58 : 135,285.81 = 23,628.34 : x
  2. Step 2: Convert to fraction form
    90,186.58/135,285.81 = 23,628.34/x
  3. Step 3: Cross multiply
    90,186.58x = 135,285.81 × 23,628.34
  4. Step 4: Simplify right side
    90,186.58x = 3,196,579,115.86
  5. Step 5: Solve for x
    x = 3,196,579,115.86/90,186.58
  6. Step 6: Final answer
    x = 35,444.07

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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.