Home / 146,686.46-202,420.32-90,086.90

Finding the Fourth Proportional to 146,686.46, 202,420.32 and 90,086.90

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Solution

The fourth proportional to 146,686.46, 202,420.32 and 90,086.90 is: 124,315.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,686.46 : 202,420.32 = 90,086.90 : x
  2. Step 2: Convert to fraction form
    146,686.46/202,420.32 = 90,086.90/x
  3. Step 3: Cross multiply
    146,686.46x = 202,420.32 × 90,086.90
  4. Step 4: Simplify right side
    146,686.46x = 18,235,419,181.42
  5. Step 5: Solve for x
    x = 18,235,419,181.42/146,686.46
  6. Step 6: Final answer
    x = 124,315.62

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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.