Home / 111,822.80-167,734.20-90,827.60

Finding the Fourth Proportional to 111,822.80, 167,734.20 and 90,827.60

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Solution

The fourth proportional to 111,822.80, 167,734.20 and 90,827.60 is: 136,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,822.80 : 167,734.20 = 90,827.60 : x
  2. Step 2: Convert to fraction form
    111,822.80/167,734.20 = 90,827.60/x
  3. Step 3: Cross multiply
    111,822.80x = 167,734.20 × 90,827.60
  4. Step 4: Simplify right side
    111,822.80x = 15,234,894,823.92
  5. Step 5: Solve for x
    x = 15,234,894,823.92/111,822.80
  6. Step 6: Final answer
    x = 136,241.40

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1.5x scale

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.