Home / 146,350.35-201,967.47-82,686.78

Finding the Fourth Proportional to 146,350.35, 201,967.47 and 82,686.78

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Solution

The fourth proportional to 146,350.35, 201,967.47 and 82,686.78 is: 114,110.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,350.35 : 201,967.47 = 82,686.78 : x
  2. Step 2: Convert to fraction form
    146,350.35/201,967.47 = 82,686.78/x
  3. Step 3: Cross multiply
    146,350.35x = 201,967.47 × 82,686.78
  4. Step 4: Simplify right side
    146,350.35x = 16,700,039,759.05
  5. Step 5: Solve for x
    x = 16,700,039,759.05/146,350.35
  6. Step 6: Final answer
    x = 114,110.01

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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.