Home / 99,876.85-149,815.82-33,316.79

Finding the Fourth Proportional to 99,876.85, 149,815.82 and 33,316.79

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Solution

The fourth proportional to 99,876.85, 149,815.82 and 33,316.79 is: 49,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,876.85 : 149,815.82 = 33,316.79 : x
  2. Step 2: Convert to fraction form
    99,876.85/149,815.82 = 33,316.79/x
  3. Step 3: Cross multiply
    99,876.85x = 149,815.82 × 33,316.79
  4. Step 4: Simplify right side
    99,876.85x = 4,991,381,547.83
  5. Step 5: Solve for x
    x = 4,991,381,547.83/99,876.85
  6. Step 6: Final answer
    x = 49,975.36

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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.