Home / 108,928.60-163,409.50-55,591.45

Finding the Fourth Proportional to 108,928.60, 163,409.50 and 55,591.45

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Solution

The fourth proportional to 108,928.60, 163,409.50 and 55,591.45 is: 83,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,928.60 : 163,409.50 = 55,591.45 : x
  2. Step 2: Convert to fraction form
    108,928.60/163,409.50 = 55,591.45/x
  3. Step 3: Cross multiply
    108,928.60x = 163,409.50 × 55,591.45
  4. Step 4: Simplify right side
    108,928.60x = 9,084,170,709.74
  5. Step 5: Solve for x
    x = 9,084,170,709.74/108,928.60
  6. Step 6: Final answer
    x = 83,395.65

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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.