Home / 118,539.31-163,584.24-64,824.36

Finding the Fourth Proportional to 118,539.31, 163,584.24 and 64,824.36

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Solution

The fourth proportional to 118,539.31, 163,584.24 and 64,824.36 is: 89,457.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,539.31 : 163,584.24 = 64,824.36 : x
  2. Step 2: Convert to fraction form
    118,539.31/163,584.24 = 64,824.36/x
  3. Step 3: Cross multiply
    118,539.31x = 163,584.24 × 64,824.36
  4. Step 4: Simplify right side
    118,539.31x = 10,604,243,664.09
  5. Step 5: Solve for x
    x = 10,604,243,664.09/118,539.31
  6. Step 6: Final answer
    x = 89,457.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.