Home / 165,457.12-248,213.04-65,617.84

Finding the Fourth Proportional to 165,457.12, 248,213.04 and 65,617.84

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Solution

The fourth proportional to 165,457.12, 248,213.04 and 65,617.84 is: 98,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,457.12 : 248,213.04 = 65,617.84 : x
  2. Step 2: Convert to fraction form
    165,457.12/248,213.04 = 65,617.84/x
  3. Step 3: Cross multiply
    165,457.12x = 248,213.04 × 65,617.84
  4. Step 4: Simplify right side
    165,457.12x = 16,287,203,544.63
  5. Step 5: Solve for x
    x = 16,287,203,544.63/165,457.12
  6. Step 6: Final answer
    x = 98,437.61

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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.