Home / 115,977.60-173,982.60-49,417.20

Finding the Fourth Proportional to 115,977.60, 173,982.60 and 49,417.20

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Solution

The fourth proportional to 115,977.60, 173,982.60 and 49,417.20 is: 74,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,977.60 : 173,982.60 = 49,417.20 : x
  2. Step 2: Convert to fraction form
    115,977.60/173,982.60 = 49,417.20/x
  3. Step 3: Cross multiply
    115,977.60x = 173,982.60 × 49,417.20
  4. Step 4: Simplify right side
    115,977.60x = 8,597,732,940.72
  5. Step 5: Solve for x
    x = 8,597,732,940.72/115,977.60
  6. Step 6: Final answer
    x = 74,132.70

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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.