Home / 163,825.22-245,739.10-45,505.79

Finding the Fourth Proportional to 163,825.22, 245,739.10 and 45,505.79

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Solution

The fourth proportional to 163,825.22, 245,739.10 and 45,505.79 is: 68,259.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,825.22 : 245,739.10 = 45,505.79 : x
  2. Step 2: Convert to fraction form
    163,825.22/245,739.10 = 45,505.79/x
  3. Step 3: Cross multiply
    163,825.22x = 245,739.10 × 45,505.79
  4. Step 4: Simplify right side
    163,825.22x = 11,182,551,879.39
  5. Step 5: Solve for x
    x = 11,182,551,879.39/163,825.22
  6. Step 6: Final answer
    x = 68,259.04

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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.