Home / 104,940.05-157,394.70-51,617.72

Finding the Fourth Proportional to 104,940.05, 157,394.70 and 51,617.72

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Solution

The fourth proportional to 104,940.05, 157,394.70 and 51,617.72 is: 77,419.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,940.05 : 157,394.70 = 51,617.72 : x
  2. Step 2: Convert to fraction form
    104,940.05/157,394.70 = 51,617.72/x
  3. Step 3: Cross multiply
    104,940.05x = 157,394.70 × 51,617.72
  4. Step 4: Simplify right side
    104,940.05x = 8,124,355,947.57
  5. Step 5: Solve for x
    x = 8,124,355,947.57/104,940.05
  6. Step 6: Final answer
    x = 77,419.02

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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.