Home / 115,929.70-173,894.55-103,463.80

Finding the Fourth Proportional to 115,929.70, 173,894.55 and 103,463.80

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Solution

The fourth proportional to 115,929.70, 173,894.55 and 103,463.80 is: 155,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,929.70 : 173,894.55 = 103,463.80 : x
  2. Step 2: Convert to fraction form
    115,929.70/173,894.55 = 103,463.80/x
  3. Step 3: Cross multiply
    115,929.70x = 173,894.55 × 103,463.80
  4. Step 4: Simplify right side
    115,929.70x = 17,991,790,942.29
  5. Step 5: Solve for x
    x = 17,991,790,942.29/115,929.70
  6. Step 6: Final answer
    x = 155,195.70

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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.