Home / 159,771.42-220,435.83-92,690.46

Finding the Fourth Proportional to 159,771.42, 220,435.83 and 92,690.46

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Solution

The fourth proportional to 159,771.42, 220,435.83 and 92,690.46 is: 127,884.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,771.42 : 220,435.83 = 92,690.46 : x
  2. Step 2: Convert to fraction form
    159,771.42/220,435.83 = 92,690.46/x
  3. Step 3: Cross multiply
    159,771.42x = 220,435.83 × 92,690.46
  4. Step 4: Simplify right side
    159,771.42x = 20,432,298,483.18
  5. Step 5: Solve for x
    x = 20,432,298,483.18/159,771.42
  6. Step 6: Final answer
    x = 127,884.56

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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.