Home / 118,539.43-163,584.40-64,824.49

Finding the Fourth Proportional to 118,539.43, 163,584.40 and 64,824.49

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Solution

The fourth proportional to 118,539.43, 163,584.40 and 64,824.49 is: 89,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,539.43 : 163,584.40 = 64,824.49 : x
  2. Step 2: Convert to fraction form
    118,539.43/163,584.40 = 64,824.49/x
  3. Step 3: Cross multiply
    118,539.43x = 163,584.40 × 64,824.49
  4. Step 4: Simplify right side
    118,539.43x = 10,604,275,301.96
  5. Step 5: Solve for x
    x = 10,604,275,301.96/118,539.43
  6. Step 6: Final answer
    x = 89,457.79

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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.