Home / 133,038.72-199,499.52-49,874.40

Finding the Fourth Proportional to 133,038.72, 199,499.52 and 49,874.40

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Solution

The fourth proportional to 133,038.72, 199,499.52 and 49,874.40 is: 74,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,038.72 : 199,499.52 = 49,874.40 : x
  2. Step 2: Convert to fraction form
    133,038.72/199,499.52 = 49,874.40/x
  3. Step 3: Cross multiply
    133,038.72x = 199,499.52 × 49,874.40
  4. Step 4: Simplify right side
    133,038.72x = 9,949,918,860.29
  5. Step 5: Solve for x
    x = 9,949,918,860.29/133,038.72
  6. Step 6: Final answer
    x = 74,789.65

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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.