Home / 118,405.87-163,446.84-73,102.16

Finding the Fourth Proportional to 118,405.87, 163,446.84 and 73,102.16

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Solution

The fourth proportional to 118,405.87, 163,446.84 and 73,102.16 is: 100,909.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,405.87 : 163,446.84 = 73,102.16 : x
  2. Step 2: Convert to fraction form
    118,405.87/163,446.84 = 73,102.16/x
  3. Step 3: Cross multiply
    118,405.87x = 163,446.84 × 73,102.16
  4. Step 4: Simplify right side
    118,405.87x = 11,948,317,457.79
  5. Step 5: Solve for x
    x = 11,948,317,457.79/118,405.87
  6. Step 6: Final answer
    x = 100,909.84

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1.5x scale

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.