Home / 90,795.24-136,192.96-40,866.03

Finding the Fourth Proportional to 90,795.24, 136,192.96 and 40,866.03

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Solution

The fourth proportional to 90,795.24, 136,192.96 and 40,866.03 is: 61,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,795.24 : 136,192.96 = 40,866.03 : x
  2. Step 2: Convert to fraction form
    90,795.24/136,192.96 = 40,866.03/x
  3. Step 3: Cross multiply
    90,795.24x = 136,192.96 × 40,866.03
  4. Step 4: Simplify right side
    90,795.24x = 5,565,665,640.23
  5. Step 5: Solve for x
    x = 5,565,665,640.23/90,795.24
  6. Step 6: Final answer
    x = 61,299.09

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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.