Home / 90,962.24-136,457.92-38,379.46

Finding the Fourth Proportional to 90,962.24, 136,457.92 and 38,379.46

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Solution

The fourth proportional to 90,962.24, 136,457.92 and 38,379.46 is: 57,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,962.24 : 136,457.92 = 38,379.46 : x
  2. Step 2: Convert to fraction form
    90,962.24/136,457.92 = 38,379.46/x
  3. Step 3: Cross multiply
    90,962.24x = 136,457.92 × 38,379.46
  4. Step 4: Simplify right side
    90,962.24x = 5,237,181,282.32
  5. Step 5: Solve for x
    x = 5,237,181,282.32/90,962.24
  6. Step 6: Final answer
    x = 57,575.33

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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.