Home / 146,683.20-202,415.85-90,083.64

Finding the Fourth Proportional to 146,683.20, 202,415.85 and 90,083.64

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Solution

The fourth proportional to 146,683.20, 202,415.85 and 90,083.64 is: 124,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,683.20 : 202,415.85 = 90,083.64 : x
  2. Step 2: Convert to fraction form
    146,683.20/202,415.85 = 90,083.64/x
  3. Step 3: Cross multiply
    146,683.20x = 202,415.85 × 90,083.64
  4. Step 4: Simplify right side
    146,683.20x = 18,234,356,561.69
  5. Step 5: Solve for x
    x = 18,234,356,561.69/146,683.20
  6. Step 6: Final answer
    x = 124,311.15

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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.