Home / 155,925.10-233,489.13-85,727.26

Finding the Fourth Proportional to 155,925.10, 233,489.13 and 85,727.26

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Solution

The fourth proportional to 155,925.10, 233,489.13 and 85,727.26 is: 128,371.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,925.10 : 233,489.13 = 85,727.26 : x
  2. Step 2: Convert to fraction form
    155,925.10/233,489.13 = 85,727.26/x
  3. Step 3: Cross multiply
    155,925.10x = 233,489.13 × 85,727.26
  4. Step 4: Simplify right side
    155,925.10x = 20,016,383,354.68
  5. Step 5: Solve for x
    x = 20,016,383,354.68/155,925.10
  6. Step 6: Final answer
    x = 128,371.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.