Home / 115,982.35-173,946.39-65,403.21

Finding the Fourth Proportional to 115,982.35, 173,946.39 and 65,403.21

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Solution

The fourth proportional to 115,982.35, 173,946.39 and 65,403.21 is: 98,089.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,982.35 : 173,946.39 = 65,403.21 : x
  2. Step 2: Convert to fraction form
    115,982.35/173,946.39 = 65,403.21/x
  3. Step 3: Cross multiply
    115,982.35x = 173,946.39 × 65,403.21
  4. Step 4: Simplify right side
    115,982.35x = 11,376,652,680.95
  5. Step 5: Solve for x
    x = 11,376,652,680.95/115,982.35
  6. Step 6: Final answer
    x = 98,089.52

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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.