Home / 133,176.12-199,536.78-73,254.72

Finding the Fourth Proportional to 133,176.12, 199,536.78 and 73,254.72

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Solution

The fourth proportional to 133,176.12, 199,536.78 and 73,254.72 is: 109,757.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,176.12 : 199,536.78 = 73,254.72 : x
  2. Step 2: Convert to fraction form
    133,176.12/199,536.78 = 73,254.72/x
  3. Step 3: Cross multiply
    133,176.12x = 199,536.78 × 73,254.72
  4. Step 4: Simplify right side
    133,176.12x = 14,617,010,948.60
  5. Step 5: Solve for x
    x = 14,617,010,948.60/133,176.12
  6. Step 6: Final answer
    x = 109,757.00

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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.