Home / 146,685.99-202,419.67-90,086.43

Finding the Fourth Proportional to 146,685.99, 202,419.67 and 90,086.43

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Solution

The fourth proportional to 146,685.99, 202,419.67 and 90,086.43 is: 124,314.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,685.99 : 202,419.67 = 90,086.43 : x
  2. Step 2: Convert to fraction form
    146,685.99/202,419.67 = 90,086.43/x
  3. Step 3: Cross multiply
    146,685.99x = 202,419.67 × 90,086.43
  4. Step 4: Simplify right side
    146,685.99x = 18,235,265,432.08
  5. Step 5: Solve for x
    x = 18,235,265,432.08/146,685.99
  6. Step 6: Final answer
    x = 124,314.98

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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.