Home / 90,152.36-135,181.91-52,723.37

Finding the Fourth Proportional to 90,152.36, 135,181.91 and 52,723.37

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Solution

The fourth proportional to 90,152.36, 135,181.91 and 52,723.37 is: 79,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,152.36 : 135,181.91 = 52,723.37 : x
  2. Step 2: Convert to fraction form
    90,152.36/135,181.91 = 52,723.37/x
  3. Step 3: Cross multiply
    90,152.36x = 135,181.91 × 52,723.37
  4. Step 4: Simplify right side
    90,152.36x = 7,127,246,328.00
  5. Step 5: Solve for x
    x = 7,127,246,328.00/90,152.36
  6. Step 6: Final answer
    x = 79,057.79

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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.