Home / 146,441.40-202,090.20-79,373.40

Finding the Fourth Proportional to 146,441.40, 202,090.20 and 79,373.40

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Solution

The fourth proportional to 146,441.40, 202,090.20 and 79,373.40 is: 109,535.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,441.40 : 202,090.20 = 79,373.40 : x
  2. Step 2: Convert to fraction form
    146,441.40/202,090.20 = 79,373.40/x
  3. Step 3: Cross multiply
    146,441.40x = 202,090.20 × 79,373.40
  4. Step 4: Simplify right side
    146,441.40x = 16,040,586,280.68
  5. Step 5: Solve for x
    x = 16,040,586,280.68/146,441.40
  6. Step 6: Final answer
    x = 109,535.87

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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.