Home / 118,441.20-163,449.28-64,727.04

Finding the Fourth Proportional to 118,441.20, 163,449.28 and 64,727.04

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Solution

The fourth proportional to 118,441.20, 163,449.28 and 64,727.04 is: 89,323.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,441.20 : 163,449.28 = 64,727.04 : x
  2. Step 2: Convert to fraction form
    118,441.20/163,449.28 = 64,727.04/x
  3. Step 3: Cross multiply
    118,441.20x = 163,449.28 × 64,727.04
  4. Step 4: Simplify right side
    118,441.20x = 10,579,588,084.53
  5. Step 5: Solve for x
    x = 10,579,588,084.53/118,441.20
  6. Step 6: Final answer
    x = 89,323.55

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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.