Home / 118,806.12-163,757.16-94,890.60

Finding the Fourth Proportional to 118,806.12, 163,757.16 and 94,890.60

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Solution

The fourth proportional to 118,806.12, 163,757.16 and 94,890.60 is: 130,793.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,806.12 : 163,757.16 = 94,890.60 : x
  2. Step 2: Convert to fraction form
    118,806.12/163,757.16 = 94,890.60/x
  3. Step 3: Cross multiply
    118,806.12x = 163,757.16 × 94,890.60
  4. Step 4: Simplify right side
    118,806.12x = 15,539,015,166.70
  5. Step 5: Solve for x
    x = 15,539,015,166.70/118,806.12
  6. Step 6: Final answer
    x = 130,793.05

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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.