Home / 133,036.10-199,554.15-120,788.90

Finding the Fourth Proportional to 133,036.10, 199,554.15 and 120,788.90

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Solution

The fourth proportional to 133,036.10, 199,554.15 and 120,788.90 is: 181,183.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,036.10 : 199,554.15 = 120,788.90 : x
  2. Step 2: Convert to fraction form
    133,036.10/199,554.15 = 120,788.90/x
  3. Step 3: Cross multiply
    133,036.10x = 199,554.15 × 120,788.90
  4. Step 4: Simplify right side
    133,036.10x = 24,103,926,268.94
  5. Step 5: Solve for x
    x = 24,103,926,268.94/133,036.10
  6. Step 6: Final answer
    x = 181,183.35

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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.